diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab4e53d0..7bf3a914 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+### 3.2.1
+- Use strict-null check in TypeScript and fix some bugs (#1719)
+
 ### 3.2.0
 - Convert the codebase to TypeScript (#1718)