diff --git a/.github/workflows/lint-test.yml b/.github/workflows/lint-test.yml
index bf7bb28..4b0c866 100644
--- a/.github/workflows/lint-test.yml
+++ b/.github/workflows/lint-test.yml
@@ -22,6 +22,8 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - name: Install dependencies
         run: yarn --frozen-lockfile
+      - name: Run Prettier check
+        run: npm run prettier -- --check
       - name: Run ESLint
         run: npm run lint
       - name: Run tests
diff --git a/.prettierignore b/.prettierignore
index f22b2df..e618066 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1 +1,5 @@
-demo/bundle.js
\ No newline at end of file
+**.html
+**.md
+demo/bundle.js
+tests/images/bee.js
+tests/visual/pdfmake/*.js
\ No newline at end of file
diff --git a/package.json b/package.json
index e8a04cb..aa1843f 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "publish-website": "node docs/publish_website.js",
     "docs": "npm run pdf-guide && npm run website && npm run browserify-example",
     "lint": "eslint {lib,tests}/**/*.js",
-    "prettier": "prettier {lib,tests,examples,docs}/**/*.js",
+    "prettier": "prettier lib tests docs",
     "test": "jest -i --env=node",
     "test:visual": "jest visual/ -i --env=node",
     "test:unit": "jest unit/ --env=node"
@@ -90,4 +90,4 @@
       "<rootDir>/tests/unit/setupTests.js"
     ]
   }
-}
+}
\ No newline at end of file