diff --git a/Gemfile.lock b/Gemfile.lock
index 52fb369..1014200 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,7 +157,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.0512)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
     minitest (5.14.4)
@@ -216,22 +218,22 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    regexp_parser (2.0.3)
+    regexp_parser (2.1.1)
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
     rexml (3.2.4)
     rolify (5.3.0)
-    rubocop (0.90.0)
+    rubocop (1.12.1)
       parallel (~> 1.10)
-      parser (>= 2.7.1.1)
+      parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.7)
+      regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 0.3.0, < 1.0)
+      rubocop-ast (>= 1.2.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (0.8.0)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.4.1)
       parser (>= 2.7.1.5)
     ruby-progressbar (1.11.0)
     sass-rails (6.0.0)
@@ -271,7 +273,7 @@ GEM
       tzinfo (>= 1.0.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.7.0)
+    unicode-display_width (2.0.0)
     warden (1.2.8)
       rack (>= 2.0.6)
     web-console (4.1.0)