diff --git a/package.json b/package.json
index 9d4213e..9ef283f 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "actions",
     "io"
   ],
-  "homepage": "https://github.com/actions/toolkit/tree/master/packages/io",
+  "homepage": "https://github.com/actions/toolkit/tree/main/packages/io",
   "license": "MIT",
   "main": "lib/io.js",
   "types": "lib/io.d.ts",