diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c382cd9..9ce5cdc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Setup .NET ${{ matrix.dotnet-version }}
       uses: actions/setup-dotnet@v4
@@ -51,7 +51,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Setup .NET 8.0
       uses: actions/setup-dotnet@v4
@@ -95,7 +95,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Setup .NET 8.0
       uses: actions/setup-dotnet@v4
@@ -125,7 +125,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Setup .NET 8.0
       uses: actions/setup-dotnet@v4