diff --git a/expat/CMakeLists.txt b/expat/CMakeLists.txt
index ef0890f3..ca6c705f 100644
--- a/expat/CMakeLists.txt
+++ b/expat/CMakeLists.txt
@@ -414,7 +414,7 @@ if(EXPAT_WITH_LIBBSD)
 endif()
 
 set(LIBCURRENT 9)   # sync
-set(LIBREVISION 7)  # with
+set(LIBREVISION 8)  # with
 set(LIBAGE 8)       # configure.ac!
 math(EXPR LIBCURRENT_MINUS_AGE "${LIBCURRENT} - ${LIBAGE}")
 
diff --git a/expat/Changes b/expat/Changes
index 6cfd4ed5..369ef7c2 100644
--- a/expat/Changes
+++ b/expat/Changes
@@ -10,6 +10,8 @@ Release x.x.x xxx xxxx xx xxxx
                     "-compatibility_version <version>" and
                     "-current_version <version>" in a way compatible with
                     GNU Libtool
+       #590 #591  Version info bumped from 9:7:8 to 9:8:8;
+                    see https://verbump.de/ for what these numbers do
 
         Infrastructure:
             #589  CI: Upgrade Clang from 13 to 14
diff --git a/expat/configure.ac b/expat/configure.ac
index 7a7f013f..48640256 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=7  # with
+LIBREVISION=8  # with
 LIBAGE=8       # CMakeLists.txt!
 
 AC_CONFIG_HEADERS([expat_config.h])