diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 8d1f794..c78dbc7 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -37,7 +37,7 @@ jobs:
             runtime: win-x64
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/llm-sample-app.yml b/.github/workflows/llm-sample-app.yml
index 33d17a6..f9db86d 100644
--- a/.github/workflows/llm-sample-app.yml
+++ b/.github/workflows/llm-sample-app.yml
@@ -37,7 +37,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index 8cdcae6..e8c76cf 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
@@ -161,7 +161,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/whisper-sample-app.yml b/.github/workflows/whisper-sample-app.yml
index e5b35c9..bf929bb 100644
--- a/.github/workflows/whisper-sample-app.yml
+++ b/.github/workflows/whisper-sample-app.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v4