diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 457fd24..2fd4dc6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -30,7 +30,7 @@ jobs:
 
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Create conda environment
         uses: mamba-org/provision-with-micromamba@main
         with:
@@ -67,7 +67,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Create conda environment
         uses: mamba-org/provision-with-micromamba@main
         with:
diff --git a/.github/workflows/pythonpublish.yaml b/.github/workflows/pythonpublish.yaml
index c8948d0..bf4dec2 100644
--- a/.github/workflows/pythonpublish.yaml
+++ b/.github/workflows/pythonpublish.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'jbusecke/xmovie'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v4.4.0