diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0826c356..f03f4f88c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.1.9 - 2021-12-09
+
+- [Core] prevent `strlen` from receiving `NULL`.
+
 ## 1.1.8 - 2021-11-28
 
 ### Fixed