diff --git a/src/clientversion.h b/src/clientversion.h
index c7b252f..d9c1d9a 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -8,7 +8,7 @@
 // These need to be macros, as version.cpp's and triangles-qt.rc's voodoo requires it
 #define CLIENT_VERSION_MAJOR       5
 #define CLIENT_VERSION_MINOR       9
-#define CLIENT_VERSION_REVISION    20
+#define CLIENT_VERSION_REVISION    21
 #define CLIENT_VERSION_BUILD       0
 
 // Converts the parameter X to a string after macro replacement on X has been performed.