diff --git a/README.md b/README.md
index 6251da98c..1ff108954 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ cp ../misskey/.config/default.yml ./.config/default.yml # or wherever misskey fo
 
 ```sh
 # git pull
-YARN_CHECKSUM_BEHAVIOR=update yarn install
+yarn install
 NODE_ENV=production npm run build && npm run migrate
 # Edit service to point to calckey folder and restart!
 ```