diff --git a/flow/version.py b/flow/version.py
index 8edf00613..487c623aa 100644
--- a/flow/version.py
+++ b/flow/version.py
@@ -1,3 +1,3 @@
 """Specifies the current version number of Flow."""
 
-__version__ = "0.4.1.dev"
+__version__ = "0.4.1"