diff --git a/.github/workflows/psscriptanalyzer.yml b/.github/workflows/psscriptanalyzer.yml
index 76befd3..a13fe22 100644
--- a/.github/workflows/psscriptanalyzer.yml
+++ b/.github/workflows/psscriptanalyzer.yml
@@ -15,10 +15,10 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
 
       - name: Run PSScriptAnalyzer
-        uses: microsoft/psscriptanalyzer-action@v1.1
+        uses: microsoft/psscriptanalyzer-action@4c68ce7e4ab4fdaafd03b50b961ffd06c65b5db7  # v1.1
         with:
           path: .\
           recurse: true
@@ -26,6 +26,6 @@ jobs:
           settings: CodeFormatting
 
       - name: Upload PSScriptAnalyzer results
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@c7d0eebf0efb81753d773b54ee46f4278db8ab5d  # v3.25.12
         with:
           sarif_file: results.sarif