diff --git a/expat/CMakeLists.txt b/expat/CMakeLists.txt
index 1f5975c7..cd12a992 100644
--- a/expat/CMakeLists.txt
+++ b/expat/CMakeLists.txt
@@ -387,7 +387,7 @@ if(EXPAT_WITH_LIBBSD)
 endif()
 
 set(LIBCURRENT 9)   # sync
-set(LIBREVISION 0)  # with
+set(LIBREVISION 1)  # with
 set(LIBAGE 8)       # configure.ac!
 math(EXPR LIBCURRENT_MINUS_AGE "${LIBCURRENT} - ${LIBAGE}")
 
diff --git a/expat/Changes b/expat/Changes
index db4a396e..2406426f 100644
--- a/expat/Changes
+++ b/expat/Changes
@@ -7,6 +7,10 @@ Release 2.4.1 xxx xxx xx xxxx
        #488 #490  Autotools: Fix installed header expat_config.h for multilib
                     systems; regression introduced in 2.4.0 by pull request #486
 
+        Other changes:
+       #491 #492  Version info bumped from 9:0:8 to 9:1:8;
+                    see https://verbump.de/ for what these numbers do
+
         Special thanks to:
             Gentoo's QA check "multilib_check_headers"
 
diff --git a/expat/configure.ac b/expat/configure.ac
index b038ee41..b27b59e8 100644
--- a/expat/configure.ac
+++ b/expat/configure.ac
@@ -82,7 +82,7 @@ dnl If the API changes incompatibly set LIBAGE back to 0
 dnl
 
 LIBCURRENT=9   # sync
-LIBREVISION=0  # with
+LIBREVISION=1  # with
 LIBAGE=8       # CMakeLists.txt!
 
 AC_CONFIG_HEADERS([expat_config.h])