diff --git a/examples/sinatra/app/src/Gemfile.lock b/examples/sinatra/app/src/Gemfile.lock
index 8ecb64ab..fed86725 100644
--- a/examples/sinatra/app/src/Gemfile.lock
+++ b/examples/sinatra/app/src/Gemfile.lock
@@ -5,12 +5,13 @@ GEM
     logger (1.6.1)
     mustermann (3.0.3)
       ruby2_keywords (~> 0.0.1)
-    rack (3.1.12)
+    rack (3.2.6)
     rack-protection (4.1.0)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
-    rack-session (2.0.0)
+    rack-session (2.1.2)
+      base64 (>= 0.1.0)
       rack (>= 3.0.0)
     rackup (2.1.0)
       rack (>= 3)