diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a196a6a..0938319 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -30,7 +30,7 @@ jobs:
         uses: styfle/cancel-workflow-action@0.12.1
         with:
           access_token: ${{ github.token }}
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: mamba-org/setup-micromamba@v2
         with:
           channels: conda-forge
@@ -74,7 +74,7 @@ jobs:
   #        uses: styfle/cancel-workflow-action@0.12.1
   #        with:
   #          access_token: ${{ github.token }}
-  #      - uses: actions/checkout@v4
+  #      - uses: actions/checkout@v6
   #      - uses: conda-incubator/setup-miniconda@v3
   #        with:
   #          channels: conda-forge
@@ -117,7 +117,7 @@ jobs:
         uses: styfle/cancel-workflow-action@0.12.1
         with:
           access_token: ${{ github.token }}
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       #   - uses: conda-incubator/setup-miniconda@v3
       - uses: mamba-org/setup-micromamba@v2
         with:
diff --git a/.github/workflows/linting.yaml b/.github/workflows/linting.yaml
index 4e6491b..861e064 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@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
       - uses: pre-commit/action@v3.0.1
diff --git a/.github/workflows/pypi.yaml b/.github/workflows/pypi.yaml
index 40e0cd1..02b4cf6 100644
--- a/.github/workflows/pypi.yaml
+++ b/.github/workflows/pypi.yaml
@@ -10,7 +10,7 @@ jobs:
       github.repository == 'NCAR/ldcpy'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v5
         with: