diff --git a/setup.py b/setup.py
index 360b6b5..68c3181 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 opts = dict(name="polara",
             description="Fast and flexible recommender system framework",
             keywords = "recommender system",
-            version = "0.6.2",
+            version = "0.6.2.dev",
             license="MIT",
             author="Evgeny Frolov",
             platforms=["any"],