diff --git a/webapp/ruby/Gemfile.lock b/webapp/ruby/Gemfile.lock
index edcfa2981..3da2435b1 100644
--- a/webapp/ruby/Gemfile.lock
+++ b/webapp/ruby/Gemfile.lock
@@ -12,7 +12,7 @@ GEM
     nio4r (2.7.0)
     puma (6.4.2)
       nio4r (~> 2.0)
-    rack (3.0.8)
+    rack (3.0.9.1)
     rack-protection (4.0.0)
       base64 (>= 0.1.0)
       rack (>= 3.0.0, < 4)