diff --git a/Gemfile b/Gemfile
index 04e1c477..4595d311 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem 'sidekiq', '~> 4.1.2'
 gem 'mail'
 gem 'tilt'
 gem 'erubis'
-gem 'stripe', '1.15.0' #, source: 'https://code.stripe.com/'
+gem 'stripe', '4.2.0', source: 'https://code.stripe.com/'
 gem 'cocaine'
 gem 'zipruby'
 gem 'sass', require: nil
@@ -75,7 +75,7 @@ group :test do
   gem 'capybara', require: nil #, '2.10.1',     require: nil
   gem 'rack_session_access',   require: nil
   gem 'webmock',               require: nil
-  gem 'stripe-ruby-mock', '2.0.1',      require: 'stripe_mock'
+  gem 'stripe-ruby-mock', '2.5.6',      require: 'stripe_mock'
   gem 'timecop'
   gem 'mock_redis'
   gem 'simplecov',        require: nil
diff --git a/Gemfile.lock b/Gemfile.lock
index 4e31a781..baef0842 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,6 +11,7 @@ GIT
 
 GEM
   remote: https://rubygems.org/
+  remote: https://code.stripe.com/
   specs:
     acme-client (0.6.1)
       faraday (~> 0.9, >= 0.9.1)
@@ -26,7 +27,6 @@ GEM
     ansi (1.5.0)
     base32 (0.3.2)
     bcrypt (3.1.11)
-    blankslate (3.1.3)
     builder (3.2.3)
     byebug (9.1.0)
     capybara (2.16.1)
@@ -58,7 +58,7 @@ GEM
     crass (1.0.3)
     dante (0.2.0)
     docile (1.1.5)
-    domain_name (0.5.20170404)
+    domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
     drydock (0.6.9)
     erubis (2.7.0)
@@ -113,12 +113,7 @@ GEM
     in_threads (1.5.0)
     io-extra (1.2.8)
     ipaddress (0.8.3)
-    jimson-temp (0.9.4)
-      blankslate (>= 3.1.2)
-      multi_json (>= 1.7.6)
-      rack (>= 1.4.5)
-      rest-client (>= 1.6.7)
-    json (1.8.6)
+    json (2.1.0)
     loofah (2.2.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -131,7 +126,9 @@ GEM
       mini_mime (>= 0.1.1)
     metaclass (0.0.4)
     method_source (0.9.0)
-    mime-types (2.99.3)
+    mime-types (3.2.2)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2018.0812)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
     minitest (5.10.3)
@@ -151,6 +148,8 @@ GEM
     multi_json (1.12.2)
     multipart-post (2.0.0)
     mustermann (1.0.2)
+    net-http-persistent (3.0.0)
+      connection_pool (~> 2.2)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (4.2.0)
@@ -192,10 +191,10 @@ GEM
     redis (3.3.5)
     redis-namespace (1.6.0)
       redis (>= 3.0.4)
-    rest-client (1.8.0)
+    rest-client (2.0.2)
       http-cookie (>= 1.0.2, < 2.0)
-      mime-types (>= 1.16, < 3.0)
-      netrc (~> 0.7)
+      mime-types (>= 1.16, < 4.0)
+      netrc (~> 0.8)
     rinku (2.0.4)
     rmagick (2.16.0)
     ruby-progressbar (1.9.0)
@@ -244,14 +243,13 @@ GEM
     sinatra-xsendfile (0.4.2)
       sinatra (>= 0.9.1)
     storable (0.8.9)
-    stripe (1.15.0)
-      json (~> 1.8.1)
-      mime-types (>= 1.25, < 3.0)
-      rest-client (~> 1.4)
-    stripe-ruby-mock (2.0.1)
+    stripe (4.2.0)
+      faraday (~> 0.13)
+      net-http-persistent (~> 3.0)
+    stripe-ruby-mock (2.5.6)
       dante (>= 0.2.0)
-      jimson-temp
-      stripe (>= 1.15.0)
+      multi_json (~> 1.0)
+      stripe (>= 2.0.3)
     sysinfo (0.8.1)
       drydock
       storable
@@ -267,7 +265,7 @@ GEM
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.4)
+    unf_ext (0.0.7.5)
     uuidtools (2.1.5)
     webmock (3.1.1)
       addressable (>= 2.3.6)
@@ -349,8 +347,8 @@ DEPENDENCIES
   sinatra (= 2.0.3)
   sinatra-flash
   sinatra-xsendfile
-  stripe (= 1.15.0)
-  stripe-ruby-mock (= 2.0.1)
+  stripe (= 4.2.0)!
+  stripe-ruby-mock (= 2.5.6)
   thread
   tilt
   timecop