diff --git a/Gemfile.lock b/Gemfile.lock
index 159e262..e794ebc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,46 +2,50 @@ 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)
+      activesupport (>= 4.1.11)
+      awesome_print (>= 1.7)
+      coaster (>= 0.1)
+      faraday (>= 0.9.1)
+      faraday_middleware (>= 0.10)
+      oj (>= 2.9)
       tzinfo (>= 0.3.0, <= 1.2.2)
 
 GEM
   remote: http://rubygems.org/
   specs:
-    activesupport (3.2.22)
-      i18n (~> 0.6, >= 0.6.4)
-      multi_json (~> 1.0)
+    activesupport (6.0.2.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+      zeitwerk (~> 2.2)
     attr_extras (5.2.0)
     awesome_print (1.8.0)
     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 (1.0.2)
+      activesupport (>= 3.0)
       attr_extras (~> 5.2)
-      i18n (~> 0.6)
-      rake (>= 10.0, < 20.0)
+      i18n (>= 1.0)
+      rake (>= 10.0)
     coderay (1.1.0)
+    concurrent-ruby (1.1.6)
     debug_inspector (0.0.2)
-    faraday (0.15.4)
+    faraday (1.0.0)
       multipart-post (>= 1.2, < 3)
-    faraday_middleware (0.13.1)
-      faraday (>= 0.7.4, < 1.0)
+    faraday_middleware (1.0.0.rc1)
+      faraday (~> 1.0)
     forgery (0.7.0)
-    i18n (0.7.0)
+    i18n (1.8.2)
+      concurrent-ruby (~> 1.0)
     metaclass (0.0.4)
     method_source (0.8.2)
     minitest (5.8.3)
     mocha (1.1.0)
       metaclass (~> 0.0.1)
-    multi_json (1.11.2)
-    multipart-post (2.0.0)
-    oj (2.18.5)
+    multipart-post (2.1.1)
+    oj (3.10.2)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -52,7 +56,7 @@ GEM
     pry-stack_explorer (0.4.9.2)
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
-    rake (12.3.2)
+    rake (13.0.1)
     shoulda (3.5.0)
       shoulda-context (~> 1.0, >= 1.0.1)
       shoulda-matchers (>= 1.4.1, < 3.0)
@@ -63,21 +67,22 @@ GEM
     thread_safe (0.3.6)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
+    zeitwerk (2.2.2)
 
 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