diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 20af6ba..485bac0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -21,12 +21,11 @@ stages:          # List of stages for jobs, and their order of execution
   - test
   - deploy
 
-services:
-  - docker:dind
-
 build-job:       # This job runs in the build stage, which runs first.
   stage: build
-  image: docker:latest
+  image: docker:27.5.1-cli
+  services:
+    - docker:dind
   script:
     - cd ./app
     - echo "Compiling the code..."
@@ -35,16 +34,20 @@ build-job:       # This job runs in the build stage, which runs first.
 
 unit-test-job:   # This job runs in the test stage.
   stage: test    # It only starts when the job in the build stage completes successfully.
-  image: npm:latest
+  image: node:22
   script:
     - cd ./app
+    - echo "Installing dependencies..."
+    - npm install
     - echo "Running unit tests..."
     - npm test
     - echo "Code coverage is 90%"
 
 deploy-job:      # This job runs in the deploy stage.
   stage: deploy  # It only runs when *both* jobs in the test stage complete successfully.
-  image: docker:latest
+  image: docker:27.5.1-cli
+  services:
+    - docker:dind
   environment: production
   script:
     - cd ./app