diff --git a/Dockerfile b/Dockerfile
index 1f44a7e..96ecdb5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,7 @@ RUN apk add --no-cache -X http://dl-cdn.alpinelinux.org/alpine/edge/testing \
       py3-click \
       py3-packaging \
       py3-markdown \
-      && pip3 install -r requirements.txt feedparser dateparser langdetect
+      && pip3 install -r requirements.txt feedparser dateparser langdetect python-gitlab
 # TODO remove pillow, magic and feedparser when maubot supports installing dependencies
 
 VOLUME /data