diff --git a/setup.py b/setup.py
index 507601158f0..20f57406b27 100755
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@
 NAME = 'astropy'
 
 # VERSION should be PEP386 compatible (http://www.python.org/dev/peps/pep-0386)
-VERSION = '1.3.1.dev'
+VERSION = '1.3.1'
 
 # Indicates if this version is a release version
 RELEASE = 'dev' not in VERSION