diff --git a/Dockerfile b/Dockerfile
index 0a2eb33..e270fdc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,4 +3,7 @@ FROM squidfunk/mkdocs-material
 
 # Beispiel; https://squidfunk.github.io/mkdocs-material/getting-started/
 # hadolint ignore=DL3013
-RUN pip install --no-cache-dir mkdocs-include-dir-to-nav mkdocs-git-revision-date-localized-plugin
+RUN pip install --no-cache-dir \
+    mkdocs-include-dir-to-nav \
+    mkdocs-git-revision-date-localized-plugin \
+    mkdocs-git-committers-plugin-2