diff --git a/rb/Gemfile.lock b/rb/Gemfile.lock
index da3275587867d..0b0ae7815b0b4 100644
--- a/rb/Gemfile.lock
+++ b/rb/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
     public_suffix (5.0.5)
     racc (1.7.3)
     racc (1.7.3-java)
-    rack (2.2.9)
+    rack (2.2.18)
     rainbow (3.1.1)
     rake (13.2.1)
     rb-fsevent (0.11.2)