diff --git a/Gemfile.lock b/Gemfile.lock
index 0e8967a..c607477 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,11 +4,14 @@ GEM
     activesupport (3.2.3)
       i18n (~> 0.6)
       multi_json (~> 1.0)
+    connection_pool (2.2.4)
     diff-lcs (1.1.3)
-    domain_name (0.5.3)
-      unf (~> 0.0.3)
+    domain_name (0.5.20190701)
+      unf (>= 0.0.5, < 1.0.0)
     fakeweb (1.3.0)
     git (1.2.5)
+    http-cookie (1.0.3)
+      domain_name (~> 0.5)
     i18n (0.6.0)
     jeweler (1.8.3)
       bundler (~> 1.0)
@@ -16,20 +19,29 @@ GEM
       rake
       rdoc
     json (1.7.3)
-    mechanize (2.5.1)
+    mechanize (2.7.7)
       domain_name (~> 0.5, >= 0.5.1)
-      mime-types (~> 1.17, >= 1.17.2)
+      http-cookie (~> 1.0)
+      mime-types (>= 1.17.2)
       net-http-digest_auth (~> 1.1, >= 1.1.1)
-      net-http-persistent (~> 2.5, >= 2.5.2)
-      nokogiri (~> 1.4)
+      net-http-persistent (>= 2.5.2)
+      nokogiri (~> 1.6)
       ntlm-http (~> 0.1, >= 0.1.1)
-      webrobots (~> 0.0, >= 0.0.9)
-    mime-types (1.18)
+      webrick (~> 1.7)
+      webrobots (>= 0.0.9, < 0.2)
+    mime-types (3.3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2021.0225)
+    mini_portile2 (2.5.0)
     multi_json (1.3.5)
-    net-http-digest_auth (1.2.1)
-    net-http-persistent (2.6)
-    nokogiri (1.5.2)
+    net-http-digest_auth (1.4.1)
+    net-http-persistent (4.0.1)
+      connection_pool (~> 2.2)
+    nokogiri (1.11.3)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     ntlm-http (0.1.1)
+    racc (1.5.2)
     rake (0.9.2.2)
     rdoc (3.12)
       json (~> 1.4)
@@ -43,11 +55,12 @@ GEM
     rspec-expectations (2.10.0)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.10.1)
-    unf (0.0.5)
+    unf (0.1.4)
       unf_ext
-    unf_ext (0.0.4)
+    unf_ext (0.0.7.7)
     vcr (2.1.1)
-    webrobots (0.0.13)
+    webrick (1.7.0)
+    webrobots (0.1.2)
     yard (0.8.1)
 
 PLATFORMS