diff --git a/Gemfile.lock b/Gemfile.lock
index 0c0bfc8..7335f3d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
     racc (1.7.3)
     rainbow (3.1.1)
     rake (13.1.0)
-    regexp_parser (2.8.3)
+    regexp_parser (2.9.0)
     reline (0.3.1)
       io-console (~> 0.5)
     rexml (3.2.6)