diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a9056d3..017359e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,4 +21,4 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install
-      - run: npm test
+      - run: npm run test:coverage
diff --git a/package.json b/package.json
index e0115d5..95e31db 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "lint": "eslint src/*.js test/*.js",
     "test-generate-mo": "msgfmt test/fixtures/latin13.po -o test/fixtures/latin13.mo & msgfmt test/fixtures/utf8.po -o test/fixtures/utf8.mo & msgfmt test/fixtures/obsolete.po -o test/fixtures/obsolete.mo",
     "test": "mocha",
+    "test:coverage": "npx c8 --check-coverage npm run test",
     "preversion": "npm run lint && npm test",
     "postversion": "git push && git push --tags",
     "prepublish": "tsc && npm run lint && npm run test"
@@ -38,15 +39,13 @@
     "@types/content-type": "^1.1.8",
     "@types/mocha": "latest",
     "@types/readable-stream": "^4.0.11",
-    "@typescript-eslint/eslint-plugin": "^6.18.1",
-    "@typescript-eslint/parser": "^6.14.0",
     "chai": "^5.0.3",
     "eslint": "^8.56.0",
     "eslint-config-standard": "^17.1.0",
     "eslint-plugin-import": "^2.29.1",
     "eslint-plugin-n": "^16.6.2",
     "eslint-plugin-promise": "^6.1.1",
-    "mocha": "^10.3.0",
+    "mocha": "^10.4.0",
     "typescript": "^5.4.5"
   },
   "keywords": [