diff --git a/contrib/extractor/System.cpp b/contrib/extractor/System.cpp
index d1af9e12b..21bc95d68 100644
--- a/contrib/extractor/System.cpp
+++ b/contrib/extractor/System.cpp
@@ -277,7 +277,7 @@ void ReadLiquidTypeTableDBC()
 
 // Map file format data
 static char const* MAP_MAGIC         = "MAPS";
-static char const* MAP_VERSION_MAGIC = "v1.1";
+static char const* MAP_VERSION_MAGIC = "v1.2";
 static char const* MAP_AREA_MAGIC    = "AREA";
 static char const* MAP_HEIGHT_MAGIC  = "MHGT";
 static char const* MAP_LIQUID_MAGIC  = "MLIQ";
diff --git a/contrib/mmap/src/TerrainBuilder.h b/contrib/mmap/src/TerrainBuilder.h
index fe82b2104..d33c3aed8 100644
--- a/contrib/mmap/src/TerrainBuilder.h
+++ b/contrib/mmap/src/TerrainBuilder.h
@@ -62,7 +62,7 @@ namespace MMAP
     // see following files:
     // contrib/extractor/system.cpp
     // src/game/GridMap.cpp
-    static char const* MAP_VERSION_MAGIC = "v1.1";
+    static char const* MAP_VERSION_MAGIC = "v1.2";
 
     struct MeshData
     {
diff --git a/src/game/GridMap.cpp b/src/game/GridMap.cpp
index bedfbccaf..ce35f0d5b 100644
--- a/src/game/GridMap.cpp
+++ b/src/game/GridMap.cpp
@@ -31,7 +31,7 @@
 #include "Util.h"
 
 char const* MAP_MAGIC         = "MAPS";
-char const* MAP_VERSION_MAGIC = "v1.1";
+char const* MAP_VERSION_MAGIC = "v1.2";
 char const* MAP_AREA_MAGIC    = "AREA";
 char const* MAP_HEIGHT_MAGIC  = "MHGT";
 char const* MAP_LIQUID_MAGIC  = "MLIQ";
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 4cc8cf3ac..56768fa2a 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "11916"
+ #define REVISION_NR "11917"
 #endif // __REVISION_NR_H__