diff --git a/Gemfile.lock b/Gemfile.lock
index f52c0868..b7d4274e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,8 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (3.30.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -108,6 +109,7 @@ GEM
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
+    strscan (3.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)