diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index ecf7e73f..23a590fe 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,12 @@
 new version
 ===========
 
+0.13.1
+======
+
+- relaxed requirements for clkhash dependency to allow newer versions. (#318)
+- improved test coverage. (#320)
+
 0.13.0
 ======
 
diff --git a/setup.py b/setup.py
index 3ff54158..1cfc074e 100644
--- a/setup.py
+++ b/setup.py
@@ -55,7 +55,7 @@
 
 setup(
     name="anonlink",
-    version='0.13.0',
+    version='0.13.1',
     description='Anonymous linkage using cryptographic hashes and bloom filters',
     long_description=readme,
     long_description_content_type='text/x-rst',