diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56ec2b7e8..6ba66a95a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 5.3.4 - 2019-10-30
+
+* Fix: Prevent concurrent writes in `FileCookieJar`
+
 ## 5.3.3 - 2018-07-31
 
 * Fix bug parsing 0 epoch expiry times