diff --git a/Gemfile.lock b/Gemfile.lock
index 505fa40..dd117c6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,13 +98,15 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rbs (3.1.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     sassc (2.4.0)
       ffi (~> 1.9)
     servolux (0.13.0)
     sprockets (4.2.0)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
+    strscan (3.1.0)
     syntax_tree (6.1.1)
       prettier_print (>= 1.2.0)
     syntax_tree-haml (4.0.3)