diff --git a/engine/src/flutter/sky/packages/flx/pubspec.yaml b/engine/src/flutter/sky/packages/flx/pubspec.yaml
index f8665b0cbf..6809ef936a 100644
--- a/engine/src/flutter/sky/packages/flx/pubspec.yaml
+++ b/engine/src/flutter/sky/packages/flx/pubspec.yaml
@@ -5,7 +5,7 @@ description: Library for dealing with Flutter bundle (.flx) files
 homepage: http://flutter.io
 dependencies:
   sky_services: 
-    '0.0.48'
+    '0.0.50'
   yaml: ^2.1.3
   asn1lib: ^0.4.1
   cipher: ^0.7.1