diff --git a/Gemfile.lock b/Gemfile.lock
index d81c46f..13a8b55 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -247,7 +247,8 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (2.0.3)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rouge (3.26.0)
     rubocop (1.9.1)
       parallel (~> 1.10)
@@ -276,6 +277,7 @@ GEM
       faraday (> 0.8, < 2.0)
     simpleidn (0.2.1)
       unf (~> 0.1.4)
+    strscan (3.1.0)
     terminal-table (1.6.0)
     thread_safe (0.3.6)
     typhoeus (1.4.0)