diff --git a/Gemfile.lock b/Gemfile.lock
index 61a798b0..c57d86d7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -356,7 +356,7 @@ GEM
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.8.1)
-    rack (3.1.16)
+    rack (3.1.18)
     rack-cors (3.0.0)
       logger
       rack (>= 3.0.14)