diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 0c79288..d0da9da 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout BATS
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           repository: bats-core/bats-core
           ref: v1.11.0
@@ -17,12 +17,12 @@ jobs:
           sudo ./install.sh /usr/local
 
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Run tests
         run: bats test
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: 18
 
@@ -44,4 +44,4 @@ jobs:
           npm run docs
           git status
           git diff --quiet || echo 'README is not up-to-date, run `npm install && npm run docs` to update.'
-          git diff --quiet || exit 1
\ No newline at end of file
+          git diff --quiet || exit 1
diff --git a/.github/workflows/fossa.yml b/.github/workflows/fossa.yml
index 77e3b53..80c770c 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