diff --git a/RELEASE_GUIDELINES.md b/RELEASE_GUIDELINES.md
index d6bc2c9ae41b8032a5567f786eb060d7b67d2cc5..a08eef0d90b6e35026a3b4dbeffad66738e52997 100644
--- a/RELEASE_GUIDELINES.md
+++ b/RELEASE_GUIDELINES.md
@@ -24,6 +24,7 @@ guidelines of the CaosDB Project
    - `version` variables in `src/doc/conf.py`
    - Version in [setup.cfg](./setup.cfg): Check the `MAJOR`, `MINOR`, `MICRO`, `PRE` variables and set
      `ISRELEASED` to `True`. Use the possibility to issue pre-release versions for testing.
+   - `CITATION.cff` (update version and date)
 
 5. Merge the release branch into the main branch.