diff --git a/README.md b/README.md
index 452862c..8398425 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,16 @@ npm install --save tslib
 npm install --save tslib@1.6.1
 ```
 
+## yarn
+
+```sh
+# TypeScript 2.3.3 or later
+yarn add tslib
+
+# TypeScript 2.3.2 or earlier
+yarn add tslib@1.6.1
+```
+
 ## bower
 
 ```sh