diff --git a/Gemfile.lock b/Gemfile.lock
index 5ba5bdb..b8c4720 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,8 @@ GEM
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)
@@ -105,6 +106,7 @@ GEM
     sassc (2.4.0)
       ffi (~> 1.9)
     servolux (0.13.0)
+    strscan (3.1.0)
     temple (0.8.2)
     thor (1.1.0)
     thread_safe (0.3.6)