diff --git a/Gemfile.lock b/Gemfile.lock
index 51a6c03..f1f3715 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
     minitest (5.25.5)
     prettier_print (1.2.1)
     rake (13.2.1)
-    rbs (3.9.0)
+    rbs (3.9.1)
       logger
     simplecov (0.22.0)
       docile (~> 1.1)