diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3aa76989..48c6be9a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,17 @@
 stages:
+  - lint
   - test
   - trigger
 
+mypy:
+  stage: lint
+  tags:
+    - docker
+  image: python:3
+  script:
+    - pip3 install mypy
+    - mypy slixmpp
+
 test:
   stage: test
   tags: