diff --git a/.github/workflows/ci-build-test.yml b/.github/workflows/ci-build-test.yml
index f110e1d..da7d118 100644
--- a/.github/workflows/ci-build-test.yml
+++ b/.github/workflows/ci-build-test.yml
@@ -72,7 +72,7 @@ jobs:
             --framework net10.0
 
       - name: Upload Test Results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: test-results-metar
@@ -82,7 +82,7 @@ jobs:
           retention-days: 7
 
       - name: Upload Coverage Reports
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: coverage-metar
@@ -134,7 +134,7 @@ jobs:
           dotnet test tests/Taf.Decoder.Tests/ --configuration Release --logger "trx;LogFileName=test-results-taf-net48.trx" --results-directory TestResults --framework net48 --verbosity normal
 
       - name: Upload Windows Test Results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: test-results-windows
@@ -218,7 +218,7 @@ jobs:
           fail_ci_if_error: false
 
       - name: 📤 Upload test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: test-results-coverage
@@ -226,7 +226,7 @@ jobs:
           retention-days: 7
 
       - name: 📤 Upload coverage report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: coverage-report
diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index 9adafd1..0b9aed1 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -37,7 +37,7 @@ jobs:
           additional-cache-key: qodana-2025.3-refs/heads/main
 
       - name: 📊 Upload Qodana Results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: qodana-report
diff --git a/.github/workflows/publish-all.yml b/.github/workflows/publish-all.yml
index 91ab12b..1a40e0c 100644
--- a/.github/workflows/publish-all.yml
+++ b/.github/workflows/publish-all.yml
@@ -95,7 +95,7 @@ jobs:
           echo "  - NuGet.org: https://www.nuget.org/packages?q=Taf.Decoder"
 
       - name: � Upload Package Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: nuget-packages