diff --git a/configure.ac b/configure.ac
index 5af06fa8..f5f1a56b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,4 @@
-# thanks to micket (not yet all proposals included)
-
-
-AC_INIT([netgen],[4.9.13-dev],[],[])
+AC_INIT([netgen],[4.9.13-RC],[],[])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
 AC_CONFIG_MACRO_DIR([m4])
diff --git a/libsrc/include/mydefs.hpp b/libsrc/include/mydefs.hpp
index d111345f..0e36af74 100644
--- a/libsrc/include/mydefs.hpp
+++ b/libsrc/include/mydefs.hpp
@@ -20,7 +20,7 @@
 // in the configure/make phases, with the 
 // right version number
 #ifdef WIN32
-#define PACKAGE_VERSION "4.9.12"
+#define PACKAGE_VERSION "4.9.13-RC"
 #endif