diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e7c7842..f10cd3a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,12 +26,12 @@ jobs:
       contents: read
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
 
       - name: Dependency review
-        uses: actions/dependency-review-action@v4
+        uses: actions/dependency-review-action@ce3cf9537a52e8119d91fd484ab5b8a807627bf8 # v4.6.0
 
   lint:
     name: Lint Code
@@ -40,12 +40,12 @@ jobs:
       contents: read
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
 
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           check-latest: true
           node-version: lts/*
@@ -63,12 +63,12 @@ jobs:
       contents: read
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
 
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           check-latest: true
           node-version: lts/*
@@ -92,12 +92,12 @@ jobs:
         node-version: [20, 22]
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
 
       - name: Setup Node ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           check-latest: true
           node-version: ${{ matrix.node-version }}
@@ -115,12 +115,12 @@ jobs:
       contents: read
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: false
 
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           check-latest: true
           node-version: lts/*
@@ -142,7 +142,7 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: fastify/github-action-merge-dependabot@v3
+      - uses: fastify/github-action-merge-dependabot@e820d631adb1d8ab16c3b93e5afe713450884a4a # v3.11.1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           target: major