diff --git a/Gemfile b/Gemfile
index c5df09ba..afa97a46 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'rails', '~>3.2.22'
 gem 'rubyzip', '~> 1.2.3'
 
 # pin the following dependencies to work with Ruby 2.1 and Rails 3
-gem 'arbre','1.1.1'
+gem 'arbre','1.2.1'
 gem 'rb-inotify','0.9.10'
 gem 'public_suffix','3.0.3'
 gem 'bourbon','4.2.7'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8d88831f..8a6e727e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
     afm (0.2.2)
     amoeba (3.1.0)
       activerecord (>= 3.2.6)
-    arbre (1.1.1)
+    arbre (1.2.1)
       activesupport (>= 3.0.0)
     arel (3.0.3)
     bcrypt (3.1.13)
@@ -299,7 +299,7 @@ PLATFORMS
 DEPENDENCIES
   activeadmin (= 1.0.0.pre1)
   amoeba
-  arbre (= 1.1.1)
+  arbre (= 1.2.1)
   better_errors
   binding_of_caller
   bourbon (= 4.2.7)