diff --git a/ANNOUNCE b/ANNOUNCE
index fe1429d48..e599b3d0d 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -36,7 +36,7 @@ Version 1.5.18beta02 [December 26, 2013]
   Added "-Wall" to CFLAGS in contrib/pngminim/*/makefile
   Conditionally compile some unused functions reported by -Wall in
     pngminim.
-  Rebuilt configure scripts with automake-1.14.1 and autoconf-2.59(2013)
+  Rebuilt configure scripts with automake-1.14.1 and autoconf-2.69
     in the tar distributions.
 
 Version 1.5.18beta03 [December 26, 2013]
diff --git a/CHANGES b/CHANGES
index a166000ed..94eec24f3 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4160,7 +4160,7 @@ Version 1.5.18beta02 [December 26, 2013]
   Added "-Wall" to CFLAGS in contrib/pngminim/*/makefile
   Conditionally compile some unused functions reported by -Wall in
     pngminim.
-  Rebuilt configure scripts with automake-1.14.1 and autoconf-2.59(2013)
+  Rebuilt configure scripts with automake-1.14.1 and autoconf-2.69
     in the tar distributions.
 
 Version 1.5.18beta03 [December 26, 2013]