diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 59eff8914dd7575daa0123114874d15c2fc8d599..d2e2cff11fec297158f095731b6f0e3bffb1cbde 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,7 +19,7 @@ typechecker:
       - $ENABLE_NIGHTLY_BUILDS
   image: i10git.cs.fau.de:5005/pycodegen/pycodegen/full
   script:
-    - apt-get install pyright
-    - pyright pystencilssfg 
+    - pip install mypy
+    - mypy pystencilssfg 
   tags:
     - docker