diff --git a/Gemfile.lock b/Gemfile.lock
index d551c9b..e3c412e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,7 +58,8 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (2.7.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -97,6 +98,7 @@ GEM
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     shellany (0.0.1)
+    strscan (3.1.0)
     test-prof (1.2.1)
     thor (1.2.1)
     unicode-display_width (2.4.2)