diff --git a/Gemfile.lock b/Gemfile.lock
index 6e5bc493..9417182e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -412,7 +412,7 @@ GEM
     ruby-vips (2.1.4)
       ffi (~> 1.12)
     ruby2_keywords (0.0.5)
-    rubytree (2.0.0)
+    rubytree (2.0.1)
       json (~> 2.0, > 2.3.1)
     rubyzip (2.3.2)
     sass-rails (6.0.0)