diff --git a/RELEASE_GUIDELINES.md b/RELEASE_GUIDELINES.md
index e015b598117abdcd575cf17e2f095fec459a4c4c..68deedf263dd8431d4e37e8ea732af2dda3304f5 100644
--- a/RELEASE_GUIDELINES.md
+++ b/RELEASE_GUIDELINES.md
@@ -39,4 +39,4 @@ guidelines of the CaosDB Project
 
 11. After the merge of main to dev, start a new development version by
     setting `ISRELEASED` to `False` and by increasing at least the `MIRCO`
-    version in [setup.py](./setup.py)
+    version in [setup.py](./setup.py) and preparing CHANGELOG.md.