diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 800230d0..2459978c 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -33,7 +33,7 @@ jobs:
       uses: actions/checkout@v5
     
     - name: Setup .NET 9.0
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '9.0.x'
     
diff --git a/.github/workflows/depcheck.yml b/.github/workflows/depcheck.yml
index 1a805959..5531969e 100644
--- a/.github/workflows/depcheck.yml
+++ b/.github/workflows/depcheck.yml
@@ -28,7 +28,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: ⚙️ Setup .NET 9.0
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: "9.0.x"
           # include-prerelease: true
diff --git a/.github/workflows/deploy-site.yml b/.github/workflows/deploy-site.yml
index 8c6ca7b6..3867acff 100644
--- a/.github/workflows/deploy-site.yml
+++ b/.github/workflows/deploy-site.yml
@@ -38,7 +38,7 @@ jobs:
     - uses: actions/checkout@v5
     
     - name: Setup .NET 9.0
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '9.0.x'