diff --git a/Source/cmCPluginAPI.h b/Source/cmCPluginAPI.h
index 2d61e711f..a0dce5394 100644
--- a/Source/cmCPluginAPI.h
+++ b/Source/cmCPluginAPI.h
@@ -26,7 +26,7 @@
 #define cmCPluginAPI_h
 
 #define CMAKE_VERSION_MAJOR 2
-#define CMAKE_VERSION_MINOR 1
+#define CMAKE_VERSION_MINOR 3
 
 #ifdef  __cplusplus
 extern "C" {