diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf7e83a8c..3643135ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 CHANGELOG
 =========
+## 0.40.1 / 2021-03-01
+
+* [Fixed] Fix blocking connections in dogstatsd. See [#634](https://github.com/DataDog/datadogpy/pull/634).
+
 ## 0.40.0 / 2021-02-09
 
 * [Added] Support DD env vars in threadstats. See [#625](https://github.com/DataDog/datadogpy/pull/625).
diff --git a/datadog/version.py b/datadog/version.py
index a7466c6c7..01b570aa9 100644
--- a/datadog/version.py
+++ b/datadog/version.py
@@ -1 +1 @@
-__version__ = "0.40.1.dev"
+__version__ = "0.40.1"