diff --git a/configure b/configure
index b8c64f5e39..54243ace9f 100755
--- a/configure
+++ b/configure
@@ -56037,7 +56037,7 @@ fi
     BAKEFILE_BAKEFILE_M4_VERSION="0.2.1"
 
 
-BAKEFILE_AUTOCONF_INC_M4_VERSION="0.2.2"
+BAKEFILE_AUTOCONF_INC_M4_VERSION="0.2.1"