diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e1a0dac6..8eb88d2b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Conda Environment
         uses: conda-incubator/setup-miniconda@v3
diff --git a/.github/workflows/deploy-sdist.yaml b/.github/workflows/deploy-sdist.yaml
index 9b6cb049..3aae493e 100644
--- a/.github/workflows/deploy-sdist.yaml
+++ b/.github/workflows/deploy-sdist.yaml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Create sdist
         shell: bash -l {0}