diff --git a/functions/firebase/auth/Gemfile.lock b/functions/firebase/auth/Gemfile.lock
index 0394eaf58..8e707d13e 100644
--- a/functions/firebase/auth/Gemfile.lock
+++ b/functions/firebase/auth/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
     nio4r (2.7.0)
     puma (6.4.2)
       nio4r (~> 2.0)
-    rack (3.0.9.1)
+    rack (3.1.20)
 
 PLATFORMS
   ruby