diff --git a/m4/ChangeLog b/m4/ChangeLog
index 4870216c8..485a9221b 100644
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,10 @@
+2003-08-08  Paul Eggert  <eggert@twinsun.com>
+
+	Use new gnulib 'extensions' module.
+	* extensions.m4, unlocked-io.m4: New files, from gnulib.
+	* gnu-source.m4, jm-glibc-io.m4: Remove.
+	* timespec.m4: Merge from gnulib.
+
 2003-08-08  Paul Eggert  <eggert@twinsun.com>
 
 	* jm-macros.m4 (jm_MACROS): Replace jm_INCLUDED_REGEX([lib/regex.c])