diff --git a/.github/workflows/ci-checks.yml b/.github/workflows/ci-checks.yml
index b0b97a1..bcf1085 100644
--- a/.github/workflows/ci-checks.yml
+++ b/.github/workflows/ci-checks.yml
@@ -10,15 +10,15 @@ jobs:
     black:
         runs-on: ubuntu-26.04
         steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         - uses: psf/black@stable
     pylint:
         runs-on: ubuntu-26.04
         name: "pylint"
         steps: 
-        -   uses: actions/checkout@v2
+        -   uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         -   name: "Set up Python 3"
-            uses: actions/setup-python@v2
+            uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
             with: 
                 python-version: '3.12'
         -   name: "Install dependencies"
@@ -34,9 +34,9 @@ jobs:
         runs-on: ubuntu-26.04
         name: "flake8"
         steps: 
-        -   uses: actions/checkout@v2
+        -   uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         -   name: "Set up Python 3"
-            uses: actions/setup-python@v2
+            uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
             with: 
                 python-version: '3.12'
         -   name: "Install dependencies"
@@ -48,13 +48,13 @@ jobs:
         needs: [black, pylint, flake8]
         steps: 
         - name: Login to Docker Hub
-          uses: docker/login-action@v1
+          uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
           with:
             username: ${{ secrets.TEST_DOCKER_USERNAME }}
             password: ${{ secrets.TEST_DOCKER_PASSWORD }}  
-        -   uses: actions/checkout@v2
+        -   uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         -   name: "Set up Python 3.12"
-            uses: actions/setup-python@v2
+            uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
             with:
                 python-version: "3.12"
         -   name: "Install dependencies"
@@ -82,13 +82,13 @@ jobs:
               python-version: ["3.10", "3.11", "3.12"]
         steps: 
         - name: Login to Docker Hub
-          uses: docker/login-action@v1
+          uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
           with:
             username: ${{ secrets.TEST_DOCKER_USERNAME }}
             password: ${{ secrets.TEST_DOCKER_PASSWORD }}  
-        -   uses: actions/checkout@v2
+        -   uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         -   name: "Set up Python ${{ matrix.python-version }}"
-            uses: actions/setup-python@v2
+            uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
             with: 
                 python-version: "${{ matrix.python-version }}"
         -   name: "Install dependencies"
@@ -114,9 +114,9 @@ jobs:
         runs-on: ubuntu-26.04
         needs: [pytest-sdk]
         steps: 
-        -   uses: actions/checkout@v2
+        -   uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         -   name: "Set up Python 3"
-            uses: actions/setup-python@v2
+            uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
             with: 
                 python-version: '3.12'
         -   name: "Install dependencies"