diff --git a/Gemfile.lock b/Gemfile.lock
index 3e5bb23..cb923b1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,7 +58,8 @@ GEM
     procto (0.0.3)
     rainbow (3.1.1)
     regexp_parser (2.6.1)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -89,6 +90,7 @@ GEM
       parser (>= 3.1.1.0)
     ruby-progressbar (1.11.0)
     sorbet-runtime (0.5.10563)
+    strscan (3.1.0)
     thread_safe (0.3.6)
     unicode-display_width (2.3.0)
     unparser (0.6.5)