diff --git a/pubspec.yaml b/pubspec.yaml
index 40117a3..aaf28bd 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -16,6 +16,7 @@ dependencies:
   yaml: ^3.1.1
   http: ^0.13.5
   color: ^3.0.0  
+  protobuf: ^3.1.0
   # subtitle_wrapper_package: ^2.1.1
   # equatable: ^2.0.5