diff --git a/Gemfile.lock b/Gemfile.lock
index d888b91..59ae6e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,9 +1,9 @@
 PATH
   remote: .
   specs:
-    mbsy (1.1.4)
-      httparty (= 0.14.0)
-      json (= 2.0.3)
+    mbsy (2.1.0)
+      httparty (~> 0.16.0)
+      json (~> 2.1.0)
 
 GEM
   remote: https://rubygems.org/
@@ -30,10 +30,10 @@ GEM
     faker (1.7.3)
       i18n (~> 0.5)
     hashdiff (0.3.2)
-    httparty (0.14.0)
+    httparty (0.16.2)
       multi_xml (>= 0.5.2)
     i18n (0.8.1)
-    json (2.0.3)
+    json (2.1.0)
     minitest (5.10.1)
     multi_xml (0.6.0)
     public_suffix (2.0.5)
@@ -77,4 +77,4 @@ DEPENDENCIES
   webmock (= 2.3.2)
 
 BUNDLED WITH
-   1.13.7
+   1.16.1
diff --git a/lib/mbsy/resources/event.rb b/lib/mbsy/resources/event.rb
index f5c36bb..8e4fb32 100644
--- a/lib/mbsy/resources/event.rb
+++ b/lib/mbsy/resources/event.rb
@@ -5,5 +5,11 @@ def self.create(params={})
       raise ArgumentError, "You must include :email" unless params[:email]
       call('record', params)
     end
+
+    def self.multi_create(params={})
+      raise ArgumentError, "You must include :campaign_uid" unless params[:campaign_uid]
+      raise ArgumentError, "You must include :email" unless params[:email]
+      call('multi_record', params)
+    end
   end
 end
diff --git a/mbsy.gemspec b/mbsy.gemspec
index 7f38f26..a3eb952 100644
--- a/mbsy.gemspec
+++ b/mbsy.gemspec
@@ -19,8 +19,8 @@ Gem::Specification.new do |s|
 
   s.required_ruby_version = ">= 1.9.2"
 
-  s.add_runtime_dependency('httparty', '0.14.0')
-  s.add_runtime_dependency('json', '2.0.3')
+  s.add_runtime_dependency('httparty', '~> 0.16.0')
+  s.add_runtime_dependency('json', '~> 2.1.0')
 
   s.add_development_dependency('rake', '12.0.0')
   s.add_development_dependency('rspec', '3.5.0')