diff --git a/CHANGES.txt b/CHANGES.txt
index b2586ce3..09c02192 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -2,7 +2,7 @@
 CHANGELOG
 #########
 
-3.5.0 (unreleased)
+3.4.3 (2018-11-30)
 ==================
 
 **Internal changes**
diff --git a/setup.py b/setup.py
index 30cb7289..15e42b12 100755
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 package_data = {}
 
 setup(name='cornice',
-      version='3.5.0.dev0',
+      version='3.4.3',
       description='Define Web Services in Pyramid.',
       long_description=README + '\n\n' + CHANGES,
       license='MPLv2.0',