diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 588dedc..1f56e23 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [14]
+        node-version: [12]
     runs-on: ubuntu-latest
     container: node:${{ matrix.node-version }}-buster
     steps:
@@ -21,6 +21,8 @@ jobs:
         run: npm install
       - name: Install package (development)
         run: npm install --only=dev
+      - name: Build package
+        run: npm run build
       - name: Verify Javascript code linting
         run: npm run lint
       - name: Run unit tests
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 60e9f46..2cbeea6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [14, 15, 16, 17, 18, 19, 20]
+        node-version: [12, 13, 14, 15, 16, 17, 18, 19, 20]
     runs-on: ubuntu-latest
     container: node:${{ matrix.node-version }}-buster
     steps:
@@ -21,6 +21,8 @@ jobs:
         run: npm install
       - name: Install package (development)
         run: npm install --only=dev
+      - name: Build package
+        run: npm run build
       - name: Verify Javascript code linting
         run: npm run lint
       - name: Run unit tests