diff --git a/pubspec.tpl.yaml b/pubspec.tpl.yaml
index 5948fb0..b950490 100644
--- a/pubspec.tpl.yaml
+++ b/pubspec.tpl.yaml
@@ -1,6 +1,6 @@
 name: mop
 description: A Finogeeks MiniProgram Flutter SDK.
-version: __mop_flutter_sdk_version__
+version: '__mop_flutter_sdk_version__'
 homepage: https://github.com/finogeeks/mop-flutter-sdk
 
 environment: