diff --git a/icu4c/source/common/unicode/uvernum.h b/icu4c/source/common/unicode/uvernum.h
index 9fc98e73807..1cdf8912f94 100644
--- a/icu4c/source/common/unicode/uvernum.h
+++ b/icu4c/source/common/unicode/uvernum.h
@@ -59,7 +59,7 @@
  *  This value will change in the subsequent releases of ICU
  *  @stable ICU 2.6
  */
-#define U_ICU_VERSION_MINOR_NUM 1
+#define U_ICU_VERSION_MINOR_NUM 2
 
 /** The current ICU patchlevel version as an integer.
  *  This value will change in the subsequent releases of ICU
@@ -132,7 +132,7 @@
  *  This value will change in the subsequent releases of ICU
  *  @stable ICU 2.4
  */
-#define U_ICU_VERSION "74.1"
+#define U_ICU_VERSION "74.2"
 
 /**
  * The current ICU library major version number as a string, for library name suffixes.
@@ -151,7 +151,7 @@
 /** Data version in ICU4C.
  * @internal ICU 4.4 Internal Use Only
  **/
-#define U_ICU_DATA_VERSION "74.1"
+#define U_ICU_DATA_VERSION "74.2"
 #endif  /* U_HIDE_INTERNAL_API */
 
 /*===========================================================================
diff --git a/icu4c/source/configure b/icu4c/source/configure
index d2ee1acecdd..f23ed7c1172 100755
--- a/icu4c/source/configure
+++ b/icu4c/source/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for ICU 74.1.
+# Generated by GNU Autoconf 2.69 for ICU 74.2.
 #
 # Report bugs to <http://icu-project.org/bugs>.
 #
@@ -582,8 +582,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='ICU'
 PACKAGE_TARNAME='International Components for Unicode'
-PACKAGE_VERSION='74.1'
-PACKAGE_STRING='ICU 74.1'
+PACKAGE_VERSION='74.2'
+PACKAGE_STRING='ICU 74.2'
 PACKAGE_BUGREPORT='http://icu-project.org/bugs'
 PACKAGE_URL='http://icu-project.org'
 
@@ -1375,7 +1375,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures ICU 74.1 to adapt to many kinds of systems.
+\`configure' configures ICU 74.2 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1442,7 +1442,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of ICU 74.1:";;
+     short | recursive ) echo "Configuration of ICU 74.2:";;
    esac
   cat <<\_ACEOF
 
@@ -1580,7 +1580,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-ICU configure 74.1
+ICU configure 74.2
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2326,7 +2326,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by ICU $as_me 74.1, which was
+It was created by ICU $as_me 74.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -8604,7 +8604,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by ICU $as_me 74.1, which was
+This file was extended by ICU $as_me 74.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -8658,7 +8658,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-ICU config.status 74.1
+ICU config.status 74.2
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/icu4c/source/data/misc/icuver.txt b/icu4c/source/data/misc/icuver.txt
index f44a6d708ab..b12bd03c2fa 100644
--- a/icu4c/source/data/misc/icuver.txt
+++ b/icu4c/source/data/misc/icuver.txt
@@ -9,6 +9,6 @@
 // ***************************************************************************
 icuver:table(nofallback){
     CLDRVersion{"44.1"}
-    DataVersion{"74.1.0.0"}
-    ICUVersion{"74.1.0.0"}
+    DataVersion{"74.2.0.0"}
+    ICUVersion{"74.2.0.0"}
 }
diff --git a/icu4j/demos/pom.xml b/icu4j/demos/pom.xml
index f272f1ed025..7232d2bb44f 100644
--- a/icu4j/demos/pom.xml
+++ b/icu4j/demos/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
   </parent>
 
   <artifactId>demos</artifactId>
diff --git a/icu4j/main/charset/pom.xml b/icu4j/main/charset/pom.xml
index 4e71332587a..8cef64f5274 100644
--- a/icu4j/main/charset/pom.xml
+++ b/icu4j/main/charset/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/cns-11643-1992.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/cns-11643-1992.cnv
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index 41dc32b97c0..7b4daa171bc 100644
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index be9205ef8b3..cc5b205bab2 100644
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index 5212f9cc8a5..c9317203448 100644
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diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/gb18030-2022.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/gb18030-2022.cnv
index fdc91476000..d655a18ec7a 100644
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index 49345ccb40f..36622ef866a 100644
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diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-s2.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-s2.cnv
index 21551341697..5e66b9cf45f 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-s2.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-s2.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-s3.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-s3.cnv
index 54439cfd09a..827bbe58b0c 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-s3.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-s3.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-t.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-t.cnv
index 1f71b014165..11627c28515 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-t.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/icu-internal-compound-t.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_10-1998.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_10-1998.cnv
index 3c20f0245b3..d1609a8a01f 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_10-1998.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_10-1998.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_11-2001.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_11-2001.cnv
index 50bdbf16bde..870e759ed67 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_11-2001.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_11-2001.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_14-1998.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_14-1998.cnv
index 4b13de805e5..ac305ab1262 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_14-1998.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-8859_14-1998.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-ir-165.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-ir-165.cnv
index 9d7230fcb8d..cd8276135b7 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-ir-165.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/iso-ir-165.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/jisx-212.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/jisx-212.cnv
index 9d25bb93bcf..31cdb104237 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/jisx-212.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/jisx-212.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/lmb-excp.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/lmb-excp.cnv
index a2396eaa2a7..d258670ae34 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/lmb-excp.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/lmb-excp.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-0_2-10.2.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-0_2-10.2.cnv
index d85c765c83b..ab8126cbe5b 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-0_2-10.2.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-0_2-10.2.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-29-10.2.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-29-10.2.cnv
index 38f95587763..1d63561c6f6 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-29-10.2.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-29-10.2.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-35-10.2.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-35-10.2.cnv
index 124d05b62f8..55151b485d7 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-35-10.2.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-35-10.2.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-6_2-10.4.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-6_2-10.4.cnv
index dd741c4c07c..f0f88973a7a 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-6_2-10.4.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-6_2-10.4.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-7_3-10.2.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-7_3-10.2.cnv
index 83293daa467..01f3556fd91 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-7_3-10.2.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/macos-7_3-10.2.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-874-2000.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-874-2000.cnv
index 72b09ceedf2..fc7415acb6d 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-874-2000.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-874-2000.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-936-2000.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-936-2000.cnv
index bad4fbcf79b..5bc7d5c9db8 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-936-2000.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-936-2000.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-949-2000.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-949-2000.cnv
index 2b825601390..55acbd3b2ed 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-949-2000.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-949-2000.cnv differ
diff --git a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-950-2000.cnv b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-950-2000.cnv
index 07528138c88..22dd9548b1a 100644
Binary files a/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-950-2000.cnv and b/icu4j/main/charset/src/main/resources/com/ibm/icu/impl/data/icudt74b/windows-950-2000.cnv differ
diff --git a/icu4j/main/collate/pom.xml b/icu4j/main/collate/pom.xml
index 2fdfe41ab96..aa6af1bab9d 100644
--- a/icu4j/main/collate/pom.xml
+++ b/icu4j/main/collate/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/common_tests/pom.xml b/icu4j/main/common_tests/pom.xml
index 492a489fcb8..345d6bc95dd 100644
--- a/icu4j/main/common_tests/pom.xml
+++ b/icu4j/main/common_tests/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/core/pom.xml b/icu4j/main/core/pom.xml
index eb4fbe8a2e6..2167d68424d 100644
--- a/icu4j/main/core/pom.xml
+++ b/icu4j/main/core/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/core/src/main/java/com/ibm/icu/util/VersionInfo.java b/icu4j/main/core/src/main/java/com/ibm/icu/util/VersionInfo.java
index 513ef75ed8d..4d314d7d828 100644
--- a/icu4j/main/core/src/main/java/com/ibm/icu/util/VersionInfo.java
+++ b/icu4j/main/core/src/main/java/com/ibm/icu/util/VersionInfo.java
@@ -574,7 +574,7 @@ public final class VersionInfo implements Comparable<VersionInfo>
         UNICODE_15_0   = getInstance(15, 0, 0, 0);
         UNICODE_15_1   = getInstance(15, 1, 0, 0);
 
-        ICU_VERSION   = getInstance(74, 1, 0, 0);
+        ICU_VERSION   = getInstance(74, 2, 0, 0);
         ICU_DATA_VERSION = ICU_VERSION;
         UNICODE_VERSION = UNICODE_15_1;
 
diff --git a/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/icuver.res b/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/icuver.res
index 5bb558a2be9..b119cbf6006 100644
Binary files a/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/icuver.res and b/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/icuver.res differ
diff --git a/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/unit/res_index.res b/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/unit/res_index.res
index 8c830c5cb65..b3361bb2e37 100644
Binary files a/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/unit/res_index.res and b/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/unit/res_index.res differ
diff --git a/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/zone/res_index.res b/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/zone/res_index.res
index 00d9ad4fbea..c595b7302ff 100644
Binary files a/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/zone/res_index.res and b/icu4j/main/core/src/main/resources/com/ibm/icu/impl/data/icudt74b/zone/res_index.res differ
diff --git a/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/util/DebugUtilitiesData.java b/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/util/DebugUtilitiesData.java
index 1cc3716ff2b..6bd89dfc41b 100644
--- a/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/util/DebugUtilitiesData.java
+++ b/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/util/DebugUtilitiesData.java
@@ -10,7 +10,7 @@
 package com.ibm.icu.dev.test.util;
 
 public class DebugUtilitiesData extends Object {
-    public static final String ICU4C_VERSION="74.1";
+    public static final String ICU4C_VERSION="74.2";
     public static final int UDebugEnumType = 0;
     public static final int UCalendarDateFields = 1;
     public static final int UCalendarMonths = 2;
diff --git a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/ibm9027.cnv b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/ibm9027.cnv
index e04651f541c..ba3554c2455 100644
Binary files a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/ibm9027.cnv and b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/ibm9027.cnv differ
diff --git a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test1.cnv b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test1.cnv
index cbc8303bd37..24ea7e2ff01 100644
Binary files a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test1.cnv and b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test1.cnv differ
diff --git a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test1bmp.cnv b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test1bmp.cnv
index cba1f34d259..e02852dbaa4 100644
Binary files a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test1bmp.cnv and b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test1bmp.cnv differ
diff --git a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test2.cnv b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test2.cnv
index 9a448c34651..44da9046ff2 100644
Binary files a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test2.cnv and b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test2.cnv differ
diff --git a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test3.cnv b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test3.cnv
index e51fbefc312..be6a73238c7 100644
Binary files a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test3.cnv and b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test3.cnv differ
diff --git a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test4.cnv b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test4.cnv
index af2364bfbe0..9ee3de4f900 100644
Binary files a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test4.cnv and b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test4.cnv differ
diff --git a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test4x.cnv b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test4x.cnv
index c823915073d..462a34809ca 100644
Binary files a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test4x.cnv and b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test4x.cnv differ
diff --git a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test5.cnv b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test5.cnv
index b96732c2152..addbda43b6d 100644
Binary files a/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test5.cnv and b/icu4j/main/core/src/test/resources/com/ibm/icu/dev/data/testdata/test5.cnv differ
diff --git a/icu4j/main/currdata/pom.xml b/icu4j/main/currdata/pom.xml
index 371e1044e99..26c31cf0c63 100644
--- a/icu4j/main/currdata/pom.xml
+++ b/icu4j/main/currdata/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/currdata/src/main/resources/com/ibm/icu/impl/data/icudt74b/curr/res_index.res b/icu4j/main/currdata/src/main/resources/com/ibm/icu/impl/data/icudt74b/curr/res_index.res
index c961da82953..919294b4934 100644
Binary files a/icu4j/main/currdata/src/main/resources/com/ibm/icu/impl/data/icudt74b/curr/res_index.res and b/icu4j/main/currdata/src/main/resources/com/ibm/icu/impl/data/icudt74b/curr/res_index.res differ
diff --git a/icu4j/main/framework/pom.xml b/icu4j/main/framework/pom.xml
index ccc8b5c39ea..2b50d739a5b 100644
--- a/icu4j/main/framework/pom.xml
+++ b/icu4j/main/framework/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/icu4j/pom.xml b/icu4j/main/icu4j/pom.xml
index 787c145ccda..95ffd0d16d4 100644
--- a/icu4j/main/icu4j/pom.xml
+++ b/icu4j/main/icu4j/pom.xml
@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/langdata/pom.xml b/icu4j/main/langdata/pom.xml
index 3efaebac8c3..2d95be17f0c 100644
--- a/icu4j/main/langdata/pom.xml
+++ b/icu4j/main/langdata/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/langdata/src/main/resources/com/ibm/icu/impl/data/icudt74b/lang/res_index.res b/icu4j/main/langdata/src/main/resources/com/ibm/icu/impl/data/icudt74b/lang/res_index.res
index de97f6a55c8..983944dd450 100644
Binary files a/icu4j/main/langdata/src/main/resources/com/ibm/icu/impl/data/icudt74b/lang/res_index.res and b/icu4j/main/langdata/src/main/resources/com/ibm/icu/impl/data/icudt74b/lang/res_index.res differ
diff --git a/icu4j/main/localespi/pom.xml b/icu4j/main/localespi/pom.xml
index 0d26689ecbd..93356c53d61 100644
--- a/icu4j/main/localespi/pom.xml
+++ b/icu4j/main/localespi/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/regiondata/pom.xml b/icu4j/main/regiondata/pom.xml
index 384b69de330..98d184f4f60 100644
--- a/icu4j/main/regiondata/pom.xml
+++ b/icu4j/main/regiondata/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/main/regiondata/src/main/resources/com/ibm/icu/impl/data/icudt74b/region/res_index.res b/icu4j/main/regiondata/src/main/resources/com/ibm/icu/impl/data/icudt74b/region/res_index.res
index dfab0b8897b..eda3ead1450 100644
Binary files a/icu4j/main/regiondata/src/main/resources/com/ibm/icu/impl/data/icudt74b/region/res_index.res and b/icu4j/main/regiondata/src/main/resources/com/ibm/icu/impl/data/icudt74b/region/res_index.res differ
diff --git a/icu4j/main/translit/pom.xml b/icu4j/main/translit/pom.xml
index dbeabfabaca..d003a24a479 100644
--- a/icu4j/main/translit/pom.xml
+++ b/icu4j/main/translit/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/perf-tests/pom.xml b/icu4j/perf-tests/pom.xml
index d98decde5f2..81004c46e7b 100644
--- a/icu4j/perf-tests/pom.xml
+++ b/icu4j/perf-tests/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
   </parent>
 
   <artifactId>perf-tests</artifactId>
diff --git a/icu4j/pom.xml b/icu4j/pom.xml
index 90de730ce21..dd982e79b0b 100644
--- a/icu4j/pom.xml
+++ b/icu4j/pom.xml
@@ -8,7 +8,7 @@
 
   <groupId>com.ibm.icu</groupId>
   <artifactId>icu4j-root</artifactId>
-  <version>74.1</version>
+  <version>74.2</version>
   <packaging>pom</packaging>
 
   <name>${proj-title} (${project.artifactId})</name>
diff --git a/icu4j/releases_tools/shared.sh b/icu4j/releases_tools/shared.sh
index dc45b2ffb1f..37bdf5d04f5 100755
--- a/icu4j/releases_tools/shared.sh
+++ b/icu4j/releases_tools/shared.sh
@@ -5,8 +5,8 @@
 export MAVEN_ARGS='--no-transfer-progress'
 
 # Version update!
-export artifact_version='74.1-SNAPSHOT'
-export github_rel_version='74rc'
+export artifact_version='74.2'
+export github_rel_version='74.2'
 export api_report_version='74'
 export api_report_prev_version='73'
 export out_dir=target
diff --git a/icu4j/samples/pom.xml b/icu4j/samples/pom.xml
index d4899838d6f..7ddfe6828f6 100644
--- a/icu4j/samples/pom.xml
+++ b/icu4j/samples/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
   </parent>
 
   <artifactId>samples</artifactId>
diff --git a/icu4j/tools/build/pom.xml b/icu4j/tools/build/pom.xml
index c6517ca3e0c..78d95fd714a 100644
--- a/icu4j/tools/build/pom.xml
+++ b/icu4j/tools/build/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/tools/misc/pom.xml b/icu4j/tools/misc/pom.xml
index dbe43cf8b85..9e74a326ce9 100644
--- a/icu4j/tools/misc/pom.xml
+++ b/icu4j/tools/misc/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/icu4j/tools/utilities-for-cldr/pom.xml b/icu4j/tools/utilities-for-cldr/pom.xml
index 2959990fe69..3d05a804ac2 100644
--- a/icu4j/tools/utilities-for-cldr/pom.xml
+++ b/icu4j/tools/utilities-for-cldr/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>com.ibm.icu</groupId>
     <artifactId>icu4j-root</artifactId>
-    <version>74.1</version>
+    <version>74.2</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/tools/cldr/cldr-to-icu/build-icu-data.xml b/tools/cldr/cldr-to-icu/build-icu-data.xml
index 1659eda53d5..e26b2d41253 100644
--- a/tools/cldr/cldr-to-icu/build-icu-data.xml
+++ b/tools/cldr/cldr-to-icu/build-icu-data.xml
@@ -61,10 +61,10 @@
         <property name="specialsDir" value="${basedir}/../../../icu4c/source/data/xml"/>
 
         <!-- Default value for ICU version (icuver.txt). Update this for each release. -->
-        <property name="icuVersion" value="74.1.0.0"/>
+        <property name="icuVersion" value="74.2.0.0"/>
 
         <!-- Default value for ICU data version (icuver.txt). Update this for each release. -->
-        <property name="icuDataVersion" value="74.1.0.0"/>
+        <property name="icuDataVersion" value="74.2.0.0"/>
 
         <!-- An override for the CLDR version string (icuver.txt and others). This will be
              extracted from the CLDR library used for building the data if not set here. -->