diff --git a/.github/workflows/serialization-tests.yml b/.github/workflows/serialization-tests.yml
index 1f0111ba23..a8834b02e7 100644
--- a/.github/workflows/serialization-tests.yml
+++ b/.github/workflows/serialization-tests.yml
@@ -9,7 +9,7 @@ on:
 
 jobs:
   serialization-tests:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Check out lingua-franca repository
         uses: actions/checkout@v3