diff --git a/netlify.toml b/netlify.toml
index c162ee4..fe2b097 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -3,8 +3,8 @@
   NPM_VERSION = "6.4.1"
 
 [build]
-  command = "npm run build"
+  command = "yarn build"
   publish = "dist"
 
 [context.deploy-preview]
-  command = "npm run build:preview"
+  command = "yarn build-preview"