diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7ecf98c9..55066bb5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
           - os: ubuntu-latest
             python-version: 3.7
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python environment
         uses: actions/setup-python@v2.2.2
         with:
@@ -40,7 +40,7 @@ jobs:
   Docs:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python environment
         uses: actions/setup-python@v2.2.2
         with:
@@ -73,7 +73,7 @@ jobs:
             - os: ubuntu-latest
               python-version: 3.7
     steps: 
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3
       - name: Setup Python environment
         uses: actions/setup-python@v2.2.2
         with:
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 87cf19d1..3a373f9a 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -11,7 +11,7 @@ jobs:
   Coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python environment
         uses: actions/setup-python@v2.2.2
         with:
@@ -35,7 +35,7 @@ jobs:
   IntegrationCoverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python environment
         uses: actions/setup-python@v2.2.2
         with:
diff --git a/.github/workflows/pypiupload.yml b/.github/workflows/pypiupload.yml
index 3c7f1675..d2c7350e 100644
--- a/.github/workflows/pypiupload.yml
+++ b/.github/workflows/pypiupload.yml
@@ -15,7 +15,7 @@ jobs:
         python-version: [2.7, 3.x]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Setup Python
       uses: actions/setup-python@v2.2.2
       with:
diff --git a/.github/workflows/spec_update.yml b/.github/workflows/spec_update.yml
index b62427bc..5f3fd0e9 100644
--- a/.github/workflows/spec_update.yml
+++ b/.github/workflows/spec_update.yml
@@ -8,7 +8,7 @@ jobs:
   Update:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python environment
         uses: actions/setup-python@v2.2.2
         with: