diff --git a/powerdebug.h b/powerdebug.h
index 642d4e4..c4cf88d 100644
--- a/powerdebug.h
+++ b/powerdebug.h
@@ -13,4 +13,4 @@
  *       - initial API and implementation
  *******************************************************************************/
 
-#define VERSION "0.6.3"
+#define VERSION "0.6.4"