diff --git a/CMakeLists.txt b/CMakeLists.txt
index 919c3c90..cb68e9a3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ else()
 	cmake_policy(VERSION 3.11)
 endif()
 
-set(IRRLICHTMT_REVISION 11)
+set(IRRLICHTMT_REVISION 12)
 
 project(Irrlicht
 	VERSION 1.9.0.${IRRLICHTMT_REVISION}
diff --git a/include/IrrCompileConfig.h b/include/IrrCompileConfig.h
index da3a6024..30ce67ed 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 11
-#define IRRLICHT_VERSION_MT "mt11"
+#define IRRLICHT_VERSION_MT_REVISION 12
+#define IRRLICHT_VERSION_MT "mt12"
 
 //! Irrlicht SDK Version
 #define IRRLICHT_VERSION_MAJOR 1