diff --git a/Gemfile.lock b/Gemfile.lock
index 5f90c0b..fd98f10 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,7 +109,8 @@ GEM
     rbs (3.4.4)
       abbrev
     regexp_parser (2.8.3)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)