diff --git a/Gemfile.lock b/Gemfile.lock
index c21d0d8..9615d4b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,8 @@ GEM
     rainbow (3.0.0)
     rake (12.3.3)
     regexp_parser (2.2.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rubocop (1.23.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
@@ -22,6 +23,7 @@ GEM
     rubocop-ast (1.14.0)
       parser (>= 3.0.1.1)
     ruby-progressbar (1.11.0)
+    strscan (3.1.0)
     unicode-display_width (2.1.0)
 
 PLATFORMS