diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 104194b7..0bbf5580 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Setup test execution environment.
         run: pip3 install -r requirements-meta.txt
       - name: Run tox tests
-        run: tox -- --durations=0 --timeout=30
+        run: tox -- --durations=0 --timeout=300
 
   typecheck:
     runs-on: windows-latest