Do i need quotes?

.travis.yml

@@ -14,7 +14,7 @@ before_script:
   - npm install
   - npm install -g gulp-cli
   - gulp build
-  - curl https://www.projectwallace.com/webhooks/v1/imports?token=$WALLACE_TOKEN -fsS --retry 3 -X POST -H 'Content-Type: text/css' -d @build/css/styles.css
+  - "curl https://www.projectwallace.com/webhooks/v1/imports?token=$WALLACE_TOKEN -fsS --retry 3 -X POST -H 'Content-Type: text/css' -d @build/css/styles.css"
 
 deploy:
   provider: pages