diff --git a/Gemfile.lock b/Gemfile.lock
index e881643..f91b77e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.1)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
     domain_name (0.5.20170404)
       unf (>= 0.0.5, < 1.0.0)
     dotenv (2.2.1)
@@ -21,13 +21,13 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.3.0)
     net-http-digest_auth (1.4.1)
     net-http-persistent (2.9.4)
-    nokogiri (1.7.2)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.8.1)
+      mini_portile2 (~> 2.3.0)
     ntlm-http (0.1.1)
-    public_suffix (2.0.5)
+    public_suffix (3.0.1)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.4)
@@ -43,4 +43,4 @@ DEPENDENCIES
   mechanize
 
 BUNDLED WITH
-   1.14.4
+   1.16.1