diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 08ff6d063..0707b1ed2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,6 +1,6 @@
 
 name: Build ZIP File
-on: 
+on:
   pull_request:
   push:
   workflow_dispatch:
@@ -19,7 +19,7 @@ jobs:
           node-version: 14
 
       - name: Install dependencies
-        run: npm i
+        run: npm ci
 
       - name: Copy Webpack config
         run: cp ./webpack/.env-example ./webpack/.env
@@ -50,7 +50,7 @@ jobs:
           rm postcss.config.js
           rm tsconfig.json
           rm webpack.config.js
-        
+
       - name: Create & Upload artifact
         uses: actions/upload-artifact@v1
         with:
@@ -65,17 +65,17 @@ jobs:
             uses: actions/download-artifact@v1
             with:
                 name: ${{ github.event.repository.name }}
-          
+
           - id: release_info
             uses: toolmantim/release-drafter@v5
             env:
                 GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          
+
           - name: Prepare for Release
             run: |
                 cd ${{ github.event.repository.name }}
                 zip -r ${{ github.event.repository.name }}.zip ${{ github.event.repository.name }}
-          
+
           - name: Clean existing assets
             shell: bash
             run: |
@@ -87,7 +87,7 @@ jobs:
                 done
             env:
                 GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          
+
           - name: Publish to GitHub Release
             uses: actions/upload-release-asset@v1.0.1
             env:
diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index c4e5f145c..ec83ed0a2 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -24,7 +24,7 @@ jobs:
           node-version: ${{ matrix.node }}
 
       - name: Install dependencies
-        run: npm i
+        run: npm ci
 
       - name: Generate
         run: npm run build-storybook
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 266a89cc1..041619c08 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,7 +13,7 @@ jobs:
           node-version: '14.x'
 
       - name: Lint scss
-        run: npm install && npm run scss-lint
+        run: npm ci && npm run scss-lint
   eslint:
     name: ESLint
     runs-on: ubuntu-latest
@@ -26,4 +26,4 @@ jobs:
           node-version: '14.x'
 
       - name: Lint js
-        run: touch ./webpack/.env && npm install && npm run lint
+        run: touch ./webpack/.env && npm ci && npm run lint
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9fa349e4e..a138cc238 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -24,5 +24,5 @@ jobs:
           restore-keys: ${{ runner.os }}-node-
 
       - name: Run tests
-        run: npm install && npm run test
+        run: npm ci && npm run test
         working-directory: ./
diff --git a/.github/workflows/typecheck.yml b/.github/workflows/typecheck.yml
index 0b5384808..e63aa535e 100644
--- a/.github/workflows/typecheck.yml
+++ b/.github/workflows/typecheck.yml
@@ -13,4 +13,4 @@ jobs:
           node-version: '14.x'
 
       - name: Build and check types
-        run: touch ./webpack/.env && npm install && npm run build
+        run: touch ./webpack/.env && npm ci && npm run build
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6647e76f1..99cdb8af7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -24,7 +24,7 @@ There are few things to do before you are ready to contribute.
 
 First you need to install every node module:
 
-`npm i`
+`npm ci`
 
 then create a `.env` file inside the *webpack* folder by copying `webpack/.env-example` and complete it with your environment's informations. Please use a free tcp port.
 
@@ -35,7 +35,7 @@ then build assets:
 ### Good practices
 
 - Follow the BEM convention
-- Be careful about creating SCSS files in the right folder, refer to the [documentation](https://build.prestashop.com/hummingbird/) for further informations. 
+- Be careful about creating SCSS files in the right folder, refer to the [documentation](https://build.prestashop.com/hummingbird/) for further informations.
 - When you want to submit a PR, please make sure that you ran both linters using `npm run lint-fix && npm run scss-fix` and fixed every lint issues.
 - If your PR is a work in progress, make sure that you use the Github draft mode.
 - Fill the PR template as much as possible, it's important to speed the process of testing, reviewing...