diff --git a/src/system/libs/seiscomp/version.h b/src/system/libs/seiscomp/version.h
index ba632ff0..f79297a0 100644
--- a/src/system/libs/seiscomp/version.h
+++ b/src/system/libs/seiscomp/version.h
@@ -22,7 +22,7 @@
 #define SEISCOMP_VERSION_H
 
 
-#define SEISCOMP_RELEASE_BRANCH "Development"
+#define SEISCOMP_RELEASE_BRANCH "Release"
 
 #define SEISCOMP_VERSION_MAJOR  4
 #define SEISCOMP_VERSION_MINOR  0