diff --git a/Gemfile.lock b/Gemfile.lock
index c4cac8c..88043fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,8 @@ GEM
     regexp_parser (2.9.1)
     reline (0.3.1)
       io-console (~> 0.5)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rubocop (1.28.2)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
@@ -56,6 +57,7 @@ GEM
     rubygems-tasks (0.2.6)
       irb (~> 1.0)
       rake (>= 10.0.0)
+    strscan (3.1.0)
     tomlrb (2.0.3)
     unicode-display_width (2.5.0)