diff --git a/Gemfile.lock b/Gemfile.lock
index 80b69c3..2492622 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     clipboard (1.3.3)
     coderay (1.1.2)
     declarative (0.0.10)
@@ -33,15 +33,23 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.4.3)
+      nokogiri (~> 1)
+      rake
+    mini_portile2 (2.8.0)
     multi_json (1.13.1)
     multipart-post (2.0.0)
+    nokogiri (1.13.8)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oj (3.7.8)
     os (1.0.0)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (3.0.3)
+    public_suffix (5.0.0)
+    racc (1.6.0)
+    rake (13.0.6)
     representable (3.0.4)
       declarative (< 0.1.0)
       declarative-option (< 0.2.0)