diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 1acfe503f89..6dbdeefa266 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -42,6 +42,13 @@ npm link
 npm link webpack-cli
 ```
 
+* Bootstrap all the submodules before building for the first time
+
+  ```bash
+  npm run bootstrap
+  npm run build
+  ```
+
 * Run all the tests with:
   - `npm run test`
 
@@ -69,6 +76,13 @@ yarn link
 yarn link webpack-cli
 ```
 
+* Bootstrap all the submodules before building for the first time
+
+  ```bash
+  yarn bootstrap
+  yarn build
+  ```
+
 * Run all the tests with:
   - `yarn test`