diff --git a/Gemfile.lock b/Gemfile.lock
index de77248..a3295ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,7 +31,8 @@ GEM
     ratonvirus (0.4.2)
       activesupport (~> 7.0)
     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)
@@ -66,6 +67,7 @@ GEM
     simplecov-cobertura (1.4.2)
       simplecov (~> 0.8)
     simplecov-html (0.12.3)
+    strscan (3.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.4.2)