diff --git a/Gemfile.lock b/Gemfile.lock
index 5fe6633..f61bb9e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,7 +31,8 @@ GEM
     rainbow (3.0.0)
     rake (12.3.3)
     regexp_parser (1.7.1)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rubocop (0.89.1)
       parallel (~> 1.10)
       parser (>= 2.7.1.1)
@@ -44,6 +45,7 @@ GEM
     rubocop-ast (0.3.0)
       parser (>= 2.7.1.4)
     ruby-progressbar (1.10.1)
+    strscan (3.1.0)
     tty-color (0.4.3)
     tty-cursor (0.7.1)
     tty-spinner (0.9.3)