diff --git a/Gemfile.lock b/Gemfile.lock
index 59a27b0..5b9446b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,12 +65,14 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.4)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (3.22.0)
     safe_yaml (1.0.5)
     sass (3.4.25)
     sassc (2.4.0)
       ffi (~> 1.9)
+    strscan (3.1.0)
     support-for (1.0.6)
       sass (~> 3.3)
     susy (2.2.12)