diff --git a/.github/workflows/publish-immutable-actions.yml b/.github/workflows/publish-immutable-actions.yml
index a863ff8..907a2a0 100644
--- a/.github/workflows/publish-immutable-actions.yml
+++ b/.github/workflows/publish-immutable-actions.yml
@@ -22,7 +22,7 @@ jobs:
           egress-policy: audit
 
       - name: Checking out
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Publish
         id: publish
         uses: actions/publish-immutable-action@0.0.4
\ No newline at end of file
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index adb264e..9b95137 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@v2
+        uses: step-security/harden-runner@4d991eb9b905ef189e4c376166672c3f2f230481 # v2.11.0
         with:
           egress-policy: audit