diff --git a/Gemfile.lock b/Gemfile.lock
index 10c56186..b56c06fb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
       rubocop-ast (>= 1.18.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.19.1)
+    rubocop-ast (1.20.1)
       parser (>= 3.1.1.0)
     rubocop-performance (1.14.2)
       rubocop (>= 1.7.0, < 2.0)