diff --git a/changelog.md b/changelog.md
index e1a800c..082e0dd 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+# [4.3.1](https://github.com/TehShrike/deepmerge/releases/tag/v4.3.1)
+
+- Fix type definition for arrayMerge options.  [#239](https://github.com/TehShrike/deepmerge/pull/239)
+
 # [4.3.0](https://github.com/TehShrike/deepmerge/releases/tag/v4.3.0)
 
 - Avoid thrown errors if the target doesn't have `propertyIsEnumerable`.  [#252](https://github.com/TehShrike/deepmerge/pull/252)