diff --git a/CHANGES.rst b/CHANGES.rst
index b706b31..4a15834 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,10 +1,11 @@
 CHANGELOG
 =========
 
-unreleased
-----------
+0.5.1 (07.02.2021)
+------------------
+
+- pin pykeepass as version 4.0 is broken, see https://github.com/libkeepass/pykeepass/issues/244
 
-- nothing yet
 
 0.5.0 (06.01.2021)
 ------------------
diff --git a/setup.py b/setup.py
index 4cac69b..a760025 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 from setuptools import find_packages, setup
 
 HERE = os.path.abspath(os.path.dirname(__file__))
-VERSION = "0.5.1.dev"
+VERSION = "0.5.1"
 
 
 def read(*parts):