diff --git a/examples/ruby-no-version/Gemfile.lock b/examples/ruby-no-version/Gemfile.lock
index b081454e..e1cd1cd8 100644
--- a/examples/ruby-no-version/Gemfile.lock
+++ b/examples/ruby-no-version/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
     nio4r (2.5.8)
     puma (5.6.4)
       nio4r (~> 2.0)
-    rack (2.2.3.1)
+    rack (2.2.20)
     rack-protection (2.2.0)
       rack
     ruby2_keywords (0.0.5)