diff --git a/platform/base_readme.txt b/platform/base_readme.txt
index 36d0d89a..69ad36a8 100644
--- a/platform/base_readme.txt
+++ b/platform/base_readme.txt
@@ -649,6 +649,10 @@ Additional thanks
 
 Changelog
 ---------
+1.40c
+  * Fixed a problem with sound in Marble Madness.
+  * GP2X: Fixed minor problem with key config.
+
 1.40b
   * Fixed sprite masking code. Thanks to Lordus for explaining how it works.
   + Added "disable sprite limit" option.
diff --git a/platform/gp2x/version.h b/platform/gp2x/version.h
index 9b9d909d..848b48be 100644
--- a/platform/gp2x/version.h
+++ b/platform/gp2x/version.h
@@ -1,2 +1,2 @@
-#define VERSION "1.40b"
+#define VERSION "1.40c"