diff --git a/Gemfile.lock b/Gemfile.lock
index db823fb..678fe69 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -201,10 +201,12 @@ GEM
     mime-types (3.3)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.2)
+    mimemagic (0.4.3)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.9.4)
     mini_mime (1.0.2)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.3)
     minitest-reporters (1.1.11)
       ansi
@@ -216,8 +218,8 @@ GEM
     multipart-post (2.1.1)
     nenv (0.3.0)
     nested_form (0.3.2)
-    nokogiri (1.11.1)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
@@ -250,7 +252,7 @@ GEM
       slop (~> 3.4)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (1.6.13)
     rack-contrib (1.8.0)
       rack (~> 1.4)