diff --git a/.circleci/config.yml b/.circleci/config.yml
index ddd5ccd..c257ace 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -32,7 +32,7 @@ jobs:
           image: <<parameters.image>>
       - docker-run:
           image: <<parameters.image>>
-          command: tox -e <<parameters.toxenv>>
+          command: /venv/bin/tox -e <<parameters.toxenv>>
   linux-arm64-wheel:
     machine:
       image: ubuntu-2004:current
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1745616..8d75a19 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -85,9 +85,9 @@ jobs:
           - {IMAGE: "alpine", TOXENV: "py39"}
     name: "${{ matrix.IMAGE.TOXENV }} on ${{ matrix.IMAGE.IMAGE }}"
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3.0.1
         with:
           persist-credentials: false
-      - run: 'tox'
+      - run: '/venv/bin/tox'
         env:
           TOXENV: ${{ matrix.IMAGE.TOXENV }}