diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 39e45004..e7d6999f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [18.x]
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
@@ -24,7 +24,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [12.x, 14.x]
+        node-version: [18.x]
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
@@ -40,7 +40,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [18.x]
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
@@ -50,24 +50,3 @@ jobs:
       - run: npm install
       - name: Run karma tests
         run: npm run test-karma
-  coverage:
-    needs: [test-node, test-karma]
-    timeout-minutes: 10
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [14.x]
-    steps:
-      - uses: actions/checkout@v2
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node-version }}
-      - run: npm install
-      - name: Generate coverage report
-        run: npm run coverage-ci
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v1
-        with:
-          file: ./coverage/lcov.info
-          fail_ci_if_error: true
diff --git a/package.json b/package.json
index 7d593c0b..889b7d25 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "webpack": "^5.24.3"
   },
   "engines": {
-    "node": ">=12"
+    "node": ">=18"
   },
   "keywords": [
     "JSON",