diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd4b92a..b2a7c71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.5.1 (2020/05/10)
+
+* Mark `key` input as deprecated
+
 ## 1.5.0 (2020/05/07)
 
 * Use native GitHub Action tools to download assets and use GitHub API