diff --git a/icu4c/source/configure.in b/icu4c/source/configure.in
index d5d97e7b3dd..7ed29cdd39f 100644
--- a/icu4c/source/configure.in
+++ b/icu4c/source/configure.in
@@ -7,7 +7,7 @@ AC_INIT(common/utypes.h)
 AC_CONFIG_HEADER(common/icucfg.h)
 PACKAGE="icu"
 AC_SUBST(PACKAGE)
-VERSION="1.3"
+VERSION="1.3.1"
 AC_SUBST(VERSION)
 
 dnl Checks for programs