diff --git a/Gemfile.lock b/Gemfile.lock
index 8061c8f..59369cc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,8 +19,7 @@ GEM
     racc (1.7.1)
     rainbow (3.1.1)
     regexp_parser (2.8.2)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -58,7 +57,6 @@ GEM
       rubocop-factory_bot (~> 2.22)
     ruby-progressbar (1.13.0)
     rubyzip (2.3.2)
-    strscan (3.1.0)
     thor (1.3.0)
     tomlrb (2.0.3)
     unicode-display_width (2.5.0)