diff --git a/lalapps/configure.ac b/lalapps/configure.ac
index a7eaa1219842109201cc6b0863efc2a58061e85a..1b7340ae8d33f0164a1b856f832067fed1de3951 100644
--- a/lalapps/configure.ac
+++ b/lalapps/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.63])
-AC_INIT([LALApps],[6.21.0],[lal-discuss@ligo.org])
+AC_INIT([LALApps],[6.21.0.1],[lal-discuss@ligo.org])
 AC_CONFIG_HEADERS([src/config.h])
 AC_CONFIG_SRCDIR([src/lalapps/lalapps.c])
 AC_CONFIG_AUX_DIR([gnuscripts])