diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0ca70971a9fca14be15856fe38deeb029f2a693b..8a4988e5c9cf1f366b921a02c049da0d42c7c1d3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -139,7 +139,7 @@ minimal-sympy-master:
   needs: []
   image: i10git.cs.fau.de:5005/pycodegen/pycodegen/nox:alpine
   script:
-    - nox -s quicktest -- --sympy-master
+    - nox -s quicktest -P 3.13 -- --sympy-master
   allow_failure: true
   tags:
     - docker