diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 06450db24..b2358c583 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Conda Environment
         uses: conda-incubator/setup-miniconda@v2
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 86c75d027..13517e1c0 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Create sdist
         shell: bash -l {0}
@@ -48,7 +48,7 @@ jobs:
             docker-image: manylinux2014_x86_64
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: |
           git fetch --prune --unshallow