diff --git a/Gemfile b/Gemfile
index 13ac913..cfede66 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ group :development do
   gem 'mocha-on-bacon'
   gem 'prettybacon'
   gem 'rake'
-  gem 'rexml', '~> 3.2.5'
+  gem 'rexml', '~> 3.3.9'
   gem 'vcr'
   gem 'webmock', '< 1.9'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 599acc7..b58dbaf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
       ffi (>= 0.5.0)
     rb-kqueue (0.2.3)
       ffi (>= 0.5.0)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rubocop (0.38.0)
       parser (>= 2.3.0.6, < 3.0)
       powerpack (~> 0.1)
@@ -76,7 +76,7 @@ DEPENDENCIES
   mocha-on-bacon
   prettybacon
   rake
-  rexml (~> 3.2.5)
+  rexml (~> 3.3.9)
   rubocop
   simplecov
   vcr