diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3203bd410..ba24f2c2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -62,6 +62,7 @@
 - Prefer TLS over STARTTLS during autoconfiguration #4021
 - Use SOCKS5 configuration for HTTP requests #4017
 - Show non-deltachat emails by default for new installations #4019
+- Re-enabled SMTP pipelining after disabling it in #4006
 
 ### Fixes
 - Fix Securejoin for multiple devices on a joining side #3982