diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 78e8deb..c195632 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r ./service/backend/requirements.txt
-          pip install pytest-cov
+          pip install pytest-cov httpx
 
       - name: Run backend tests with coverage
         run: |