diff --git a/Gemfile.lock b/Gemfile.lock
index e87bce5..2a335ca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,8 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.1)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (3.22.0)
     sass (3.4.25)
     sassc (2.4.0)
@@ -167,6 +168,7 @@ GEM
     sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
+    strscan (3.1.0)
     temple (0.8.2)
     thor (1.0.1)
     thread_safe (0.3.6)