diff --git a/Gemfile.lock b/Gemfile.lock
index f65e0bb0..cbb62647 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -184,7 +184,8 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.1)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (3.30.0)
     ruby-rc4 (0.1.5)
     sass (3.4.25)
@@ -194,6 +195,7 @@ GEM
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
+    strscan (3.1.0)
     temple (0.10.3)
     thor (1.2.2)
     tilt (2.0.11)