diff --git a/src/f5c.h b/src/f5c.h
index 1eee2df3..ff15ce29 100644
--- a/src/f5c.h
+++ b/src/f5c.h
@@ -21,7 +21,7 @@
 #include <string>
 #include <vector> //required for eventalign
 
-#define F5C_VERSION "1.2-dirty"
+#define F5C_VERSION "1.3-beta"
 
 /*******************************
  * major hard coded parameters *