diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 10192a6..d5ca52c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
       - name: Run isort
         run: isort --check .
       - name: Run tests and collect coverage
-        run: pytest --junitxml=junit/test-results.xml --cov=relay --cov=tests --cov-report=xml --cov-report=html
+        run: pytest --timeout=300 --junitxml=junit/test-results.xml --cov=relay --cov=tests --cov-report=xml --cov-report=html
       - name: Upload pytest test results
         uses: actions/upload-artifact@v3
         with:
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 57721e6..75b0d53 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -10,5 +10,6 @@ pytest>=6.2.5
 pytest-cov>=2.7.1
 pytest-helpers-namespace==2019.1.8
 pytest-mock
+pytest-timeout
 pytest-xdist
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