diff --git a/.github/workflows/e2e-cache.yml b/.github/workflows/e2e-cache.yml
index fc4a08dae..c5f512e81 100644
--- a/.github/workflows/e2e-cache.yml
+++ b/.github/workflows/e2e-cache.yml
@@ -72,7 +72,7 @@ jobs:
       - name: Init pyproject.toml
         run: poetry init -n
       - name: Install dependencies
-        run: poetry add flake8
+        run: poetry add flake8 black
 
   python-pip-dependencies-caching-path:
     name: Test pip (Python ${{ matrix.python-version}}, ${{ matrix.os }})