diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ccc03d8b..47efa2f0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index bddc15f6..94de3f2f 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
     - name: Checkout source for staging
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         ref: ${{ github.event.client_payload.ref || github.ref }}
         
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 64385661..f5e9c89e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -46,7 +46,7 @@ jobs:
     # via the 'ref' client parameter.
     steps:
     - name: Checkout source for staging
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         ref: ${{ github.event.client_payload.ref || github.ref }}
 
@@ -108,7 +108,7 @@ jobs:
 
     steps:
     - name: Checkout source for publish
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Download the artifacts created by the stage_release job.
     - name: Download release candidates