diff --git a/tools/marvin/setup.py b/tools/marvin/setup.py
index 6c9aa087bc7..05ce9d41023 100644
--- a/tools/marvin/setup.py
+++ b/tools/marvin/setup.py
@@ -27,7 +27,7 @@ except ImportError:
         raise RuntimeError("python setuptools is required to build Marvin")
 
 
-VERSION = "4.23.0.0"
+VERSION = "4.23.0.0-SNAPSHOT"
 
 setup(name="Marvin",
       version=VERSION,