diff --git a/.ottdrev b/.ottdrev
index c49fcd8b7e..1c562ee220 100644
--- a/.ottdrev
+++ b/.ottdrev
@@ -1 +1 @@
-1.5.2	27393	0	1.5.2
+1.5.3	27462	0	1.5.3
diff --git a/src/rev.cpp.in b/src/rev.cpp.in
index 37c7845241..edf6a65a27 100644
--- a/src/rev.cpp.in
+++ b/src/rev.cpp.in
@@ -1,4 +1,4 @@
-/* $Id: rev.cpp.in 27393 2015-09-01 18:31:52Z frosch $ */
+/* $Id: rev.cpp.in 27462 2015-12-01 19:36:48Z frosch $ */
 
 /*
  * This file is part of OpenTTD.
@@ -72,7 +72,7 @@ const byte _openttd_revision_modified = !!MODIFIED!!;
  * final release will always have a lower version number than the released
  * version, thus making comparisons on specific revisions easy.
  */
-const uint32 _openttd_newgrf_version = 1 << 28 | 5 << 24 | 2 << 20 | 1 << 19 | (!!REVISION!! & ((1 << 19) - 1));
+const uint32 _openttd_newgrf_version = 1 << 28 | 5 << 24 | 3 << 20 | 1 << 19 | (!!REVISION!! & ((1 << 19) - 1));
 
 #ifdef __MORPHOS__
 /**