diff --git a/include/version.h b/include/version.h
index 408d675..1d6a99c 100644
--- a/include/version.h
+++ b/include/version.h
@@ -1,4 +1,4 @@
 // generated header, see makeversion.py
-#define RADIANT_VERSION "1.6.3"
-#define RADIANT_MINOR_VERSION "3"
+#define RADIANT_VERSION "1.6.4"
+#define RADIANT_MINOR_VERSION "4"
 #define RADIANT_MAJOR_VERSION "6"