diff --git a/Gemfile.lock b/Gemfile.lock
index 65c66f4..caa4090 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,8 @@ GEM
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.8.1)
-    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)
@@ -50,6 +51,7 @@ GEM
     rubocop-ast (1.29.0)
       parser (>= 3.2.1.0)
     ruby-progressbar (1.13.0)
+    strscan (3.1.0)
     unicode-display_width (2.4.2)
 
 PLATFORMS