diff --git a/.github/workflows/fossa.yml b/.github/workflows/fossa.yml
index 77e3b538..80c770c7 100644
--- a/.github/workflows/fossa.yml
+++ b/.github/workflows/fossa.yml
@@ -20,13 +20,13 @@ jobs:
     # The FOSSA token is shared between all repos in NeuVector's GH org. It can
     # be used directly and there is no need to request specific access to EIO.
     - name: Read FOSSA token
-      uses: rancher-eio/read-vault-secrets@main
+      uses: rancher-eio/read-vault-secrets@0da85151ad1f19ed7986c41587e45aac1ace74b6 # v3
       with:
         secrets: |
           secret/data/github/org/neuvector/fossa/credentials token | FOSSA_API_KEY_PUSH_ONLY
 
     - name: FOSSA scan
-      uses: fossas/fossa-action@main
+      uses: fossas/fossa-action@c414b9ad82eaad041e47a7cf62a4f02411f427a0 # v1.8.0
       with:
         api-key: ${{ env.FOSSA_API_KEY_PUSH_ONLY }}
         # Only runs the scan and do not provide/returns any results back to the
diff --git a/.github/workflows/lint-unitest.yaml b/.github/workflows/lint-unitest.yaml
index 49fe94a0..ace861e0 100644
--- a/.github/workflows/lint-unitest.yaml
+++ b/.github/workflows/lint-unitest.yaml
@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
         with:
           fetch-depth: 0
-      - uses: actions/setup-go@v3
+      - uses: actions/setup-go@be3c94b385c4f180051c996d336f57a34c397495 # v3
         with:
           go-version: '1.23'
       - name: Run chart-testing (lint)
diff --git a/.github/workflows/publish-on-tagging.yaml b/.github/workflows/publish-on-tagging.yaml
index 0c578230..207e4129 100644
--- a/.github/workflows/publish-on-tagging.yaml
+++ b/.github/workflows/publish-on-tagging.yaml
@@ -10,9 +10,9 @@ jobs:
     env:
       TAG: ${{ github.ref_name }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - name: Setup helm
-        uses: azure/setup-helm@v4.2.0
+        uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4.2.0
         with:
           version: v3.16.2
       - name: Publish Helm charts