diff --git a/.github/workflows/ci-upstream-dev.yaml b/.github/workflows/ci-upstream-dev.yaml
index e9649f31..1d1d6726 100644
--- a/.github/workflows/ci-upstream-dev.yaml
+++ b/.github/workflows/ci-upstream-dev.yaml
@@ -10,7 +10,7 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: conda-incubator/setup-miniconda@v2
         with:
           channels: conda-forge,nodefaults
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index dbca0434..2576ddf9 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -18,7 +18,7 @@ jobs:
       matrix:
         python-version: ['3.7', '3.8', '3.9']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: conda-incubator/setup-miniconda@v2
         with:
           channels: conda-forge,nodefaults
diff --git a/.github/workflows/linting.yaml b/.github/workflows/linting.yaml
index d12a54e1..efc4db8c 100644
--- a/.github/workflows/linting.yaml
+++ b/.github/workflows/linting.yaml
@@ -10,6 +10,6 @@ jobs:
   linting:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
       - uses: actions/setup-python@v2
       - uses: pre-commit/action@v2.0.2
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 7710132e..d04bf9b7 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3.1.0
       - name: Set up Python
         uses: actions/setup-python@v1
         with: