diff --git a/apps/scrtdd/rtdd.h b/apps/scrtdd/rtdd.h
index 3f8c4cb8..e89f3392 100644
--- a/apps/scrtdd/rtdd.h
+++ b/apps/scrtdd/rtdd.h
@@ -61,7 +61,7 @@ class RTDD : public Application
   };
   DEFINE_SMARTPOINTER(Region);
 
-  virtual const char *version() { return "1.5.5+"; }
+  virtual const char *version() { return "1.5.6"; }
 
 protected:
   void createCommandLineDescription();