diff --git a/configure.ac b/configure.ac
index 441bd3a0d7244090295470444999ab8959f765a0..9f8882b21e3324b3394f334613058d7794b698bb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 m4_define([gnt_version_major], [2])
 m4_define([gnt_version_minor], [1])
 m4_define([gnt_version_revision], [0])
-m4_define([gnt_version_suffix], [~rc4])
+m4_define([gnt_version_suffix], [~rc5])
 m4_define([gnt_version_full],
           m4_format([%d.%d.%d%s],
                     gnt_version_major, gnt_version_minor,