diff --git a/Gemfile.lock b/Gemfile.lock
index f5faf8d..9a1f0b9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,18 +105,22 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.0)
     multi_json (1.14.1)
     nifty-attachments (1.0.4)
     nifty-dialog (1.1.1)
     nio4r (2.5.2)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     pygments.rb (1.2.1)
       multi_json (>= 1.0.0)
+    racc (1.5.2)
     rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)