diff --git a/Gemfile.lock b/Gemfile.lock
index a0391f4..e049105 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -119,8 +119,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.3.1)
-      strscan
+    rexml (3.3.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -144,7 +143,6 @@ GEM
       nori (~> 2.4)
       wasabi (>= 3.7, < 6)
     shellany (0.0.1)
-    strscan (3.1.0)
     thor (1.3.1)
     timeout (0.4.1)
     tzinfo (2.0.6)