diff --git a/Gemfile.lock b/Gemfile.lock
index c012c6c..21473bb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,8 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     rake (13.0.6)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -38,6 +39,7 @@ GEM
       simplecov (~> 0.19)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
+    strscan (3.1.0)
     uuid7 (0.2.0)
       zeitwerk (~> 2.4)
     zeitwerk (2.6.8)