diff --git a/CHANGES.txt b/CHANGES.txt
index 519ecfa9..a2772a17 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -2,7 +2,7 @@
 CHANGELOG
 #########
 
-5.0.3 (unreleased)
+5.0.3 (2020-08-31)
 ==================
 
 **Bug fixes**
diff --git a/setup.py b/setup.py
index 6776fc91..6e5b9e3f 100755
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 package_data = {}
 
 setup(name='cornice',
-      version='5.0.3.dev0',
+      version='5.0.3',
       description='Define Web Services in Pyramid.',
       long_description=README + '\n\n' + CHANGES,
       license='MPLv2.0',