diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index 82b7beb..753f5b5 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -83,7 +83,7 @@ jobs:
       # Upload the Pester XML only if it exists to avoid artifact warnings.
       - name: Upload Pester results (XML)
         if: ${{ always() && hashFiles('out/testResults.xml') != '' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: TestResults-${{ runner.os }}
           path: out/testResults.xml
@@ -91,7 +91,7 @@ jobs:
       # Upload the full Pester console log (always useful for debugging)
       - name: Upload Pester console log
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: TestConsole-${{ runner.os }}
           path: out/pester-console.txt
@@ -186,14 +186,14 @@ jobs:
       # Upload artifacts for the publish job as well (conditional XML upload)
       - name: Upload Pester results (XML)
         if: ${{ always() && hashFiles('out/testResults.xml') != '' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: TestResults-publish
           path: out/testResults.xml
 
       - name: Upload Pester console log
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: TestConsole-publish
           path: out/pester-console.txt
diff --git a/.github/workflows/devskim.yml b/.github/workflows/devskim.yml
index 577c2b6..d056890 100644
--- a/.github/workflows/devskim.yml
+++ b/.github/workflows/devskim.yml
@@ -30,6 +30,6 @@ jobs:
         uses: microsoft/DevSkim-Action@v1
 
       - name: Upload DevSkim scan results to GitHub Security tab
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@v4
         with:
           sarif_file: devskim-results.sarif
diff --git a/.github/workflows/powershell.yml b/.github/workflows/powershell.yml
index 242ff9b..254b837 100644
--- a/.github/workflows/powershell.yml
+++ b/.github/workflows/powershell.yml
@@ -40,6 +40,6 @@ jobs:
           output: results.sarif
 
       - name: Upload SARIF results file
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@v4
         with:
           sarif_file: results.sarif