diff --git a/Gemfile.lock b/Gemfile.lock
index e53a84c..af7bbf4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,10 +100,11 @@ GEM
       execjs
     coffee-script-source (1.4.0)
     commonjs (0.2.6)
+    connection_pool (2.2.3)
     curb (0.8.3)
     diffy (2.1.3)
-    domain_name (0.5.6)
-      unf (~> 0.0.3)
+    domain_name (0.5.20190701)
+      unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
     execjs (1.4.0)
       multi_json (~> 1.0)
@@ -118,6 +119,8 @@ GEM
       tilt
     has_scope (0.5.1)
     hike (1.2.1)
+    http-cookie (1.0.3)
+      domain_name (~> 0.5)
     httparty (0.9.0)
       multi_json (~> 1.0)
       multi_xml
@@ -148,22 +151,28 @@ GEM
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    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 (1.19)
+      webrick (~> 1.7)
+      webrobots (>= 0.0.9, < 0.2)
+    mime-types (1.25.1)
+    mini_portile2 (2.5.0)
     multi_json (1.6.1)
     multi_xml (0.5.1)
     mysql (2.8.1)
     mysql2 (0.3.11)
-    net-http-digest_auth (1.2.1)
-    net-http-persistent (2.8)
-    nokogiri (1.5.5)
+    net-http-digest_auth (1.4.1)
+    net-http-persistent (4.0.1)
+      connection_pool (~> 2.2)
+    nokogiri (1.11.1)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     ntlm-http (0.1.1)
     paperclip (3.3.1)
       activemodel (>= 3.0.0)
@@ -172,6 +181,7 @@ GEM
       cocaine (~> 0.4.0)
       mime-types
     polyglot (0.3.3)
+    racc (1.5.2)
     rack (1.4.5)
     rack-cache (1.2)
       rack (>= 0.4)
@@ -223,11 +233,12 @@ GEM
     uglifier (1.3.0)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
-    unf (0.0.5)
+    unf (0.1.4)
       unf_ext
-    unf_ext (0.0.5)
+    unf_ext (0.0.7.7)
     uuidtools (2.1.3)
-    webrobots (0.0.13)
+    webrick (1.7.0)
+    webrobots (0.1.2)
 
 PLATFORMS
   ruby