diff --git a/src/Pyro4/constants.py b/src/Pyro4/constants.py
index f6e800ad..1e44326b 100644
--- a/src/Pyro4/constants.py
+++ b/src/Pyro4/constants.py
@@ -5,7 +5,7 @@
 """
 
 # Pyro version
-VERSION = "4.40.dev0"
+VERSION = "4.40"
 
 # standard object name for the Daemon object
 DAEMON_NAME = "Pyro.Daemon"