diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 01b1f35..dd1edd2 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Conda Environment
         uses: conda-incubator/setup-miniconda@v3
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 0fde63c..8044bba 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Create sdist
         shell: bash -l {0}
@@ -48,7 +48,7 @@ jobs:
             artifact_name: "ubuntu-x86_64"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: |
           git fetch --prune --unshallow