diff --git a/pd/src/m_pd.h b/pd/src/m_pd.h
index 5ea104f177f8864dff648a0607e1e678f9f54486..c6407ac406a84ae071e55313fb0b06eeaed6410e 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 "20130111"
+#define PD_TEST_VERSION "20130121"
 #define PDL2ORK
 
 /* old name for "MSW" flag -- we have to take it for the sake of many old