diff --git a/test/test_latest.sh b/test/test_latest.sh
index 1327135..05cce7f 100644
--- a/test/test_latest.sh
+++ b/test/test_latest.sh
@@ -5,5 +5,5 @@ npm -v
 node -v
 
 # test yarn
-yarn install npmts
+yarn global add npmts
 npmts -v