diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 2bd365b..0dd3fad 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -23,12 +23,12 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
         with:
           fetch-depth: 2
 
       - name: Setup Node.js environment
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@1a4442cacd436585916779262731d5b162bc6ec7 # v3
         with:
           node-version: 20
           registry-url: 'https://registry.npmjs.org'
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index b95ae0e..4f0a97d 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -8,7 +8,7 @@ jobs:
   backstage_validator:
       runs-on: ubuntu-latest
       steps:
-       - uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # tag=v3
+       - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
        - uses: RoadieHQ/backstage-entity-validator@v0.3.11
          with:
            path: 'catalog-info.yaml'
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