diff --git a/Changelog.md b/Changelog.md
index 272b987..a28b0ce 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 20.4.0
+
+### New
+
+* Upgrade to core-base 20.4 release and Python version 3.8. [Thomas Merkel]
+
 ## 19.3.0
 
 ### New