diff --git a/.github/workflows/cpplint.yml b/.github/workflows/cpplint.yml
index 286d0cc..6e49bc9 100644
--- a/.github/workflows/cpplint.yml
+++ b/.github/workflows/cpplint.yml
@@ -41,4 +41,6 @@ jobs:
         run: pip install cpplint
 
       - name: Run Cpplint
-        run: cpplint --recursive ./test-addon
+        run: |
+          cpplint --recursive ./test-addon
+          cpplint --recursive ./include
diff --git a/README.md b/README.md
index fd98f6c..310603f 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ This is a part of [Node3D](https://github.com/node-3d) project.
 [![NPM](https://badge.fury.io/js/addon-tools-raub.svg)](https://badge.fury.io/js/addon-tools-raub)
 [![ESLint](https://github.com/node-3d/addon-tools-raub/actions/workflows/eslint.yml/badge.svg)](https://github.com/node-3d/addon-tools-raub/actions/workflows/eslint.yml)
 [![Test](https://github.com/node-3d/addon-tools-raub/actions/workflows/test.yml/badge.svg)](https://github.com/node-3d/addon-tools-raub/actions/workflows/test.yml)
+[![Cpplint](https://github.com/node-3d/addon-tools-raub/actions/workflows/cpplint.yml/badge.svg)](https://github.com/node-3d/addon-tools-raub/actions/workflows/cpplint.yml)
 
 ```
 npm i -s addon-tools-raub