diff --git a/.github/workflows/mutation-testing.yml b/.github/workflows/mutation-testing.yml
index c1894c11..520f23fa 100644
--- a/.github/workflows/mutation-testing.yml
+++ b/.github/workflows/mutation-testing.yml
@@ -38,10 +38,10 @@ jobs:
     timeout-minutes: 60
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 8.0.x
 
@@ -57,7 +57,7 @@ jobs:
 
       - name: Upload Stryker report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: stryker-net-report
           path: backend/StrykerOutput/**/reports/
@@ -70,10 +70,10 @@ jobs:
     timeout-minutes: 60
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 24.13.1
           cache: npm
@@ -89,7 +89,7 @@ jobs:
 
       - name: Upload Stryker report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: stryker-js-report
           path: frontend/taskdeck-web/reports/