diff --git a/samples/ui_demo/Gemfile.lock b/samples/ui_demo/Gemfile.lock
index 7367870..1e9225b 100644
--- a/samples/ui_demo/Gemfile.lock
+++ b/samples/ui_demo/Gemfile.lock
@@ -2,13 +2,11 @@ PATH
   remote: ../..
   specs:
     motion-flow (0.1.9)
-      motion-gradle
 
 GEM
   remote: https://rubygems.org/
   specs:
-    motion-gradle (2.1.0)
-    rake (10.5.0)
+    rake (12.3.3)
 
 PLATFORMS
   ruby