diff --git a/Gemfile.lock b/Gemfile.lock
index c1a72f9..aad8020 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,8 @@ GEM
     rainbow (3.0.0)
     rake (10.5.0)
     rchardet (1.8.0)
-    rexml (3.2.4)
+    rexml (3.3.3)
+      strscan
     rgl (0.5.7)
       lazy_priority_queue (~> 0.1.0)
       stream (~> 0.5.3)
@@ -180,6 +181,7 @@ GEM
       faraday (> 0.8, < 2.0)
     stream (0.5.3)
       generator
+    strscan (3.1.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)