diff --git a/Gemfile.lock b/Gemfile.lock
index 05c20fc..c968e48 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,7 +52,7 @@ GEM
     racc (1.8.0)
     rainbow (3.1.1)
     regexp_parser (2.9.2)
-    rexml (3.3.0)
+    rexml (3.3.3)
       strscan
     rspec (3.13.0)
       rspec-core (~> 3.13.0)