diff --git a/Gemfile.lock b/Gemfile.lock
index b3668986..dab752e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1168,7 +1168,7 @@ GEM
     sqlite3 (1.4.1)
     stackprof (0.2.12)
     statsd-ruby (1.4.0)
-    stripe (4.18.1)
+    stripe (4.21.1)
       faraday (~> 0.13)
       net-http-persistent (~> 3.0)
     stripe_event (2.2.0)