diff --git a/pd/src/m_pd.h b/pd/src/m_pd.h
index f494febdb4b823c558f356b296490c0cf0a01b4f..f280f7c32751b7f9db11b0b2d6007faf96614383 100644
--- a/pd/src/m_pd.h
+++ b/pd/src/m_pd.h
@@ -11,7 +11,7 @@ extern "C" {
 #define PD_MAJOR_VERSION 0
 #define PD_MINOR_VERSION 42
 #define PD_BUGFIX_VERSION 6
-#define PD_TEST_VERSION "20121122"
+#define PD_TEST_VERSION "20121217"
 #define PDL2ORK
 
 /* old name for "MSW" flag -- we have to take it for the sake of many old