diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8dc37dd..67fe3ec 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2
+        uses: step-security/harden-runner@4d991eb9b905ef189e4c376166672c3f2f230481 # v2.11.0
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       # Install Autotools on Linux
       - name: Install Dependencies