diff --git a/src/m_pd.h b/src/m_pd.h
index 9d8ffa1390194c293adc055db2094bb6a0bddbdf..534faac007d05435b406d67161f6329cddaed9f3 100644
--- a/src/m_pd.h
+++ b/src/m_pd.h
@@ -10,7 +10,7 @@ extern "C" {
 
 #define PD_MAJOR_VERSION 0
 #define PD_MINOR_VERSION 42
-#define PD_BUGFIX_VERSION 3
+#define PD_BUGFIX_VERSION 4
 #define PD_TEST_VERSION ""
 
 /* old name for "MSW" flag -- we have to take it for the sake of many old