diff --git a/benchmarks/lobsters/Gemfile.lock b/benchmarks/lobsters/Gemfile.lock
index 29d70781..5e158a90 100644
--- a/benchmarks/lobsters/Gemfile.lock
+++ b/benchmarks/lobsters/Gemfile.lock
@@ -190,7 +190,7 @@ GEM
       stringio
     public_suffix (6.0.2)
     racc (1.8.1)
-    rack (2.2.17)
+    rack (2.2.18)
     rack-attack (6.7.0)
       rack (>= 1.0, < 4)
     rack-mini-profiler (4.0.1)