diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2a2f70cd..b7a2683e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 42.1.1 [#1224](https://github.com/openfisca/openfisca-core/pull/1224)
+
+#### Technical changes
+
+- Fix type definitions in the enums module
+
 ## 42.1.0 [#1273](https://github.com/openfisca/openfisca-core/pull/1273)
 
 #### New features
diff --git a/setup.py b/setup.py
index 8cdaa6173..913d08a59 100644
--- a/setup.py
+++ b/setup.py
@@ -70,7 +70,7 @@
 
 setup(
     name="OpenFisca-Core",
-    version="42.1.0",
+    version="42.1.1",
     author="OpenFisca Team",
     author_email="contact@openfisca.org",
     classifiers=[