diff --git a/Gemfile.lock b/Gemfile.lock
index 10f0c9bf..1ecbde54 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -556,10 +556,10 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.13)
-    stripe (4.18.1)
+    stripe (4.21.3)
       faraday (~> 0.13)
       net-http-persistent (~> 3.0)
-    stripe-ruby-mock (2.5.7)
+    stripe-ruby-mock (2.5.8)
       dante (>= 0.2.0)
       multi_json (~> 1.0)
       stripe (>= 2.0.3)