diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5976f575db4a..411cb764e9a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+0.21.9 / 2020/11/03
+====================
+- Fix various issues in `stealth`.
+- Fix `SessionPool` not retiring sessions immediately when they become unusable.
+  It fixes a problem where `PuppeteerPool` would not retire browsers wit bad sessions.
+
 0.21.8 / 2020/10/07
 ====================
 - Make `PuppeteerCrawler` safe against malformed Puppeteer responses.