diff --git a/Gemfile.lock b/Gemfile.lock
index b25107ba..ab5acd0b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -101,11 +101,13 @@ GEM
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rouge (3.29.0)
     sassc (2.4.0)
       ffi (~> 1.9)
     servolux (0.13.0)
+    strscan (3.1.0)
     temple (0.8.2)
     thor (1.2.1)
     tilt (2.0.10)