diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b44211c..fe57ba6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,9 +12,10 @@ jobs:
       matrix:
         node-version: [v16.16.0]  
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # 3.0.2
+
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@master
+      uses: actions/setup-node@2fddd8803e2f5c9604345a0b591c3020ee971a93
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install Dependencies, Test, and Build
@@ -30,29 +31,30 @@ jobs:
     steps:
       - 
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # 3.0.2
+
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@8b122486cedac8393e77aa9734c3528886e4a1a8 # 2.0.0
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@dc7b9719a96d48369863986a06765841d7ea23f6 # 2.0.0
       -
         name: Login to GitHub Container Registry
-        uses: docker/login-action@v1 
+        uses: docker/login-action@49ed152c8eca782a232dede0303416e8f356c37b # 2.0.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.PAT }}
       -
         name: Login to DockerHub
-        uses: docker/login-action@v1 
+        uses: docker/login-action@49ed152c8eca782a232dede0303416e8f356c37b # 2.0.0
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       -
         name: Build and push
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@c84f38281176d4c9cdb1626ffafcd6b3911b5d94 # 3.1.1
         with:
           context: .
           file: ./Dockerfile
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index af2896c..932c43b 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -15,9 +15,10 @@ jobs:
       matrix:
         node-version: [v16.16.0]  
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # 3.0.2
+
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@master
+      uses: actions/setup-node@2fddd8803e2f5c9604345a0b591c3020ee971a93
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install Dependencies, Test, and Build