diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index a91782c..683749f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -35,7 +35,7 @@ jobs:
 
     # .NET 10 SDK für den manuellen Build (Ziel-Framework: net10.0-windows)
     - name: Install .NET
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v6
       with:
         dotnet-version: 10.0.x
 
diff --git a/.github/workflows/dotnet-desktop.yml b/.github/workflows/dotnet-desktop.yml
index bfbb1ca..9e60f82 100644
--- a/.github/workflows/dotnet-desktop.yml
+++ b/.github/workflows/dotnet-desktop.yml
@@ -43,7 +43,7 @@ jobs:
 
     # .NET 10 SDK installieren (Ziel-Framework: net10.0-windows)
     - name: Install .NET
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v6
       with:
         dotnet-version: 10.0.x
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8642bbb..87d6dea 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -43,7 +43,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: .NET 10 einrichten
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '10.0.x'