diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 30578bc..ed9585c 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -13,7 +13,7 @@ jobs:
   build-and-test:
     strategy:
       matrix:
-        os: [ubuntu-20.04, macos-11]
+        os: [ubuntu-20.04, macos-12]
         python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
         cxx_compiler:
         - { name: "gcc", cc: "gcc", cxx: "g++" }
@@ -21,7 +21,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Install libcommute
       run: |
diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index 6e972ed..7450226 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-20.04
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Install libcommute
       run: |
diff --git a/.github/workflows/publish-on-pypi.yml b/.github/workflows/publish-on-pypi.yml
index 5c40f9e..e185fee 100644
--- a/.github/workflows/publish-on-pypi.yml
+++ b/.github/workflows/publish-on-pypi.yml
@@ -9,7 +9,7 @@ jobs:
   publish:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Install libcommute
       run: |