diff --git a/configure.ac b/configure.ac
index fc412021..01f9649f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,7 +5,7 @@ AC_PREREQ(2.60)
 define([PACKAGE_VERSION_MAJOR], [0])
 define([PACKAGE_VERSION_MINOR], [13])
 define([PACKAGE_VERSION_FIX], [0])
-define([PACKAGE_SUFFIX], [pre1])
+define([PACKAGE_SUFFIX], [rc1])
 
 AC_INIT([opensc],[PACKAGE_VERSION_MAJOR.PACKAGE_VERSION_MINOR.PACKAGE_VERSION_FIX[]PACKAGE_SUFFIX])
 AC_CONFIG_AUX_DIR([.])