diff --git a/storage/appengine/app.yaml b/storage/appengine/app.yaml
index 05e4621..458445a 100644
--- a/storage/appengine/app.yaml
+++ b/storage/appengine/app.yaml
@@ -16,9 +16,9 @@
   script: _go_app
   secure: always
 env_variables:
-  CLOUDSQL_CONNECTION_NAME: golang-org:us-central1:golang-org
-  CLOUDSQL_USER: root
-  CLOUDSQL_PASSWORD: ''
-  CLOUDSQL_DATABASE: perfdata
-  GCS_BUCKET: golang-perfdata
-  PERFDATA_VIEW_URL_BASE: https://perf.golang.org/search?q=uploadid:
+  CLOUDSQL_CONNECTION_NAME: "golang-org:us-central1:golang-org"
+  CLOUDSQL_USER: "root"
+  CLOUDSQL_PASSWORD: ""
+  CLOUDSQL_DATABASE: "perfdata"
+  GCS_BUCKET: "golang-perfdata"
+  PERFDATA_VIEW_URL_BASE: "https://perf.golang.org/search?q=uploadid:"