diff --git a/Gemfile.lock b/Gemfile.lock
index 55179d3..1499db1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,8 +31,8 @@ GEM
     regexp_parser (2.5.0)
     reline (0.1.5)
       io-console (~> 0.5)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.3)
+      strscan
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)