diff --git a/Gemfile.lock b/Gemfile.lock
index 159e262..639a7ab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,13 +2,13 @@ PATH
   remote: .
   specs:
     coolsms-rb (0.2.0)
-      activesupport (>= 3.2, < 5.0.0)
-      awesome_print (~> 1.7)
-      coaster (~> 0.5)
-      faraday (~> 0.15)
-      faraday_middleware (~> 0.10)
-      oj (~> 2.9)
-      tzinfo (>= 0.3.0, <= 1.2.2)
+      activesupport
+      awesome_print
+      coaster
+      faraday
+      faraday_middleware
+      oj
+      tzinfo
 
 GEM
   remote: http://rubygems.org/
@@ -17,21 +17,43 @@ GEM
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
     attr_extras (5.2.0)
-    awesome_print (1.8.0)
+    awesome_print (1.9.2)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
     byebug (8.2.1)
-    coaster (0.5.4)
-      activesupport (>= 3.0, < 8.0)
+    coaster (0.5.8)
+      activesupport (>= 3.0)
       attr_extras (~> 5.2)
-      i18n (~> 0.6)
-      rake (>= 10.0, < 20.0)
+      i18n
+      rake (>= 10.0)
     coderay (1.1.0)
+    concurrent-ruby (1.1.10)
     debug_inspector (0.0.2)
-    faraday (0.15.4)
-      multipart-post (>= 1.2, < 3)
-    faraday_middleware (0.13.1)
-      faraday (>= 0.7.4, < 1.0)
+    faraday (1.10.0)
+      faraday-em_http (~> 1.0)
+      faraday-em_synchrony (~> 1.0)
+      faraday-excon (~> 1.1)
+      faraday-httpclient (~> 1.0)
+      faraday-multipart (~> 1.0)
+      faraday-net_http (~> 1.0)
+      faraday-net_http_persistent (~> 1.0)
+      faraday-patron (~> 1.0)
+      faraday-rack (~> 1.0)
+      faraday-retry (~> 1.0)
+      ruby2_keywords (>= 0.0.4)
+    faraday-em_http (1.0.0)
+    faraday-em_synchrony (1.0.0)
+    faraday-excon (1.1.0)
+    faraday-httpclient (1.0.1)
+    faraday-multipart (1.0.4)
+      multipart-post (~> 2)
+    faraday-net_http (1.0.1)
+    faraday-net_http_persistent (1.2.0)
+    faraday-patron (1.0.0)
+    faraday-rack (1.0.0)
+    faraday-retry (1.0.3)
+    faraday_middleware (1.2.0)
+      faraday (~> 1.0)
     forgery (0.7.0)
     i18n (0.7.0)
     metaclass (0.0.4)
@@ -40,8 +62,8 @@ GEM
     mocha (1.1.0)
       metaclass (~> 0.0.1)
     multi_json (1.11.2)
-    multipart-post (2.0.0)
-    oj (2.18.5)
+    multipart-post (2.2.3)
+    oj (3.13.17)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -52,7 +74,8 @@ GEM
     pry-stack_explorer (0.4.9.2)
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
-    rake (12.3.2)
+    rake (13.0.6)
+    ruby2_keywords (0.0.5)
     shoulda (3.5.0)
       shoulda-context (~> 1.0, >= 1.0.1)
       shoulda-matchers (>= 1.4.1, < 3.0)
@@ -60,24 +83,23 @@ GEM
     shoulda-matchers (2.8.0)
       activesupport (>= 3.0.0)
     slop (3.6.0)
-    thread_safe (0.3.6)
-    tzinfo (1.2.2)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.5)
+      concurrent-ruby (~> 1.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.12)
+  bundler (>= 1.12)
   coolsms-rb!
-  forgery (~> 0.7)
-  minitest (~> 5.0)
-  mocha (~> 1.0)
-  pry (~> 0.8)
-  pry-byebug (~> 3.0)
-  pry-stack_explorer (~> 0.4)
-  shoulda (~> 3.0)
-  shoulda-context (~> 1.0)
+  forgery (>= 0.6)
+  minitest (>= 5.0)
+  mocha (>= 1.0)
+  pry (>= 0.8)
+  pry-byebug (>= 3.0)
+  pry-stack_explorer (>= 0.4)
+  shoulda (>= 3.0)
+  shoulda-context (>= 1.0)
 
 BUNDLED WITH
    1.17.3