diff --git a/example/Gemfile.lock b/example/Gemfile.lock
index 2aa47d9..fec11ae 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
     google-protobuf (3.25.5)
-    rack (3.1.7)
+    rack (3.1.17)
     rackup (2.0.0)
       rack (>= 3)
       webrick