diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5e6ec82aee66b18ca7303f3d2b7dde96c0ce403d..07743507deed78eedba6eba4d75e46e9cbf2cc7c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -49,7 +49,7 @@ type:
   extends: .code_changes
   stage: checks
   script:
-    - mypy duniterpy tests examples
+    - mypy --install-types --non-interactive duniterpy tests examples
 
 lint:
   extends: .code_changes