diff --git a/Gemfile.lock b/Gemfile.lock
index 66949e6d..fe0cbf4b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,8 @@ GEM
       ast (~> 2.4.0)
     rainbow (3.0.0)
     regexp_parser (1.7.1)
-    rexml (3.2.4)
+    rexml (3.3.2)
+      strscan
     rubocop (0.85.1)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)
@@ -20,6 +21,7 @@ GEM
     rubocop-ast (0.0.3)
       parser (>= 2.7.0.1)
     ruby-progressbar (1.10.1)
+    strscan (3.1.0)
     unicode-display_width (1.7.0)
 
 PLATFORMS