diff --git a/Gemfile.lock b/Gemfile.lock
index ac6e1fd..8b227c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -278,7 +278,8 @@ GEM
     responders (3.0.0)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
@@ -310,6 +311,7 @@ GEM
     sshkit (1.20.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
+    strscan (3.1.0)
     thin (1.7.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)