diff --git a/CHANGELOG.md b/CHANGELOG.md
index df39a67..4aa2de3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## master (unreleased)
 
+## 5.2.1
+
+- [Fix] Avoid unnecessary clearTimeout when unmounting.
+
 ## 5.2.0
 
 - [New] scrollableAncestor prop can now accept "window" as a string. This should
diff --git a/package.json b/package.json
index 9693a35..dc21512 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-waypoint",
-  "version": "5.2.0",
+  "version": "5.2.1",
   "description": "A React component to execute a function whenever you scroll to an element.",
   "main": "build/waypoint.js",
   "types": "index.d.ts",