diff --git a/Gemfile.lock b/Gemfile.lock
index f7f005b..334cc04 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,7 +35,7 @@ GEM
     racc (1.7.3)
     rainbow (3.1.1)
     rake (13.1.0)
-    regexp_parser (2.8.3)
+    regexp_parser (2.9.0)
     rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)