diff --git a/slsSupportLib/include/sls/versionAPI.h b/slsSupportLib/include/sls/versionAPI.h
index f39bec75f..971adc349 100644
--- a/slsSupportLib/include/sls/versionAPI.h
+++ b/slsSupportLib/include/sls/versionAPI.h
@@ -1,5 +1,5 @@
 /** API versions */
-#define GITBRANCH    "5.1.0"
+#define GITBRANCH    "developer"
 #define APICTB 0x210225
 #define APIGOTTHARD 0x210225
 #define APIGOTTHARD2 0x210225