diff --git a/include/IrrCompileConfig.h b/include/IrrCompileConfig.h
index 32f247b5..0d6e28ea 100644
--- a/include/IrrCompileConfig.h
+++ b/include/IrrCompileConfig.h
@@ -6,8 +6,8 @@
 #define __IRR_COMPILE_CONFIG_H_INCLUDED__
 
 //! Identifies the IrrlichtMt fork customized for the Minetest engine
-#define IRRLICHT_VERSION_MT_REVISION 3
-#define IRRLICHT_VERSION_MT "mt3"
+#define IRRLICHT_VERSION_MT_REVISION 4
+#define IRRLICHT_VERSION_MT "mt4"
 
 //! Irrlicht SDK Version
 #define IRRLICHT_VERSION_MAJOR 1