diff --git a/Gemfile.lock b/Gemfile.lock
index 809da3e..19d0263 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,21 +13,21 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (5.2.0)
-      activesupport (= 5.2.0)
+    activemodel (5.2.8.1)
+      activesupport (= 5.2.8.1)
     activemodel-serializers-xml (1.0.2)
       activemodel (> 5.x)
       activesupport (> 5.x)
       builder (~> 3.1)
-    activerecord (5.2.0)
-      activemodel (= 5.2.0)
-      activesupport (= 5.2.0)
+    activerecord (5.2.8.1)
+      activemodel (= 5.2.8.1)
+      activesupport (= 5.2.8.1)
       arel (>= 9.0)
-    activeresource (5.0.0)
-      activemodel (>= 5.0, < 6)
+    activeresource (5.1.1)
+      activemodel (>= 5.0, < 7)
       activemodel-serializers-xml (~> 1.0)
-      activesupport (>= 5.0, < 6)
-    activesupport (5.2.0)
+      activesupport (>= 5.0, < 7)
+    activesupport (5.2.8.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -43,7 +43,7 @@ GEM
     arel (9.0.0)
     awesome_print (1.8.0)
     backports (3.11.3)
-    builder (3.2.3)
+    builder (3.2.4)
     byebug (10.0.2)
     capybara (3.0.3)
       addressable
@@ -59,7 +59,7 @@ GEM
       nokogiri (~> 1.8)
     cliver (0.3.2)
     coderay (1.1.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.10)
     cucumber (3.1.0)
       builder (>= 2.1.2)
       cucumber-core (~> 3.1.0)
@@ -91,7 +91,7 @@ GEM
     hashie (3.5.7)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    i18n (1.0.1)
+    i18n (1.5.1)
       concurrent-ruby (~> 1.0)
     io-like (0.3.0)
     json (2.1.0)
@@ -107,7 +107,7 @@ GEM
     minitar-cli (0.6.1)
       minitar (~> 0.6.0)
       powerbar (~> 1.0)
-    minitest (5.11.3)
+    minitest (5.15.0)
     multi_json (1.13.1)
     multi_test (0.1.2)
     mustermann (1.0.2)
@@ -182,7 +182,7 @@ GEM
       rack (>= 1, < 3)
     thread_safe (0.3.6)
     tilt (2.0.8)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext