diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6a828517..fa594be1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -82,7 +82,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install pre-commit
+          pip install pre-commit tox
 
       - name: Run pre-commit
         run: pre-commit run --all-files
diff --git a/.github/workflows/pull_requests_only.yml b/.github/workflows/pull_requests_only.yml
index 1cb0fc75..e6f1bafb 100644
--- a/.github/workflows/pull_requests_only.yml
+++ b/.github/workflows/pull_requests_only.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install pre-commit
+          pip install pre-commit tox
 
       - name: Run pre-commit
         run: pre-commit run --all-files