diff --git a/Gemfile.lock b/Gemfile.lock
index 79d5263..4dd55e4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -140,7 +140,8 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (2.8.2)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -187,6 +188,7 @@ GEM
     shellany (0.0.1)
     spoon (0.0.6)
       ffi
+    strscan (3.1.0)
     thor (1.3.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)