diff --git a/Gemfile.lock b/Gemfile.lock
index 836b212..4458ac7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,15 +83,18 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     msgpack (1.3.0)
     mysql2 (0.5.2)
     nio4r (2.3.1)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     onkcop (0.53.0.3)
       rubocop (>= 0.53.0)
       rubocop-rspec (>= 1.24.0)
@@ -111,6 +114,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     puma (3.12.1)
+    racc (1.5.2)
     rack (2.0.7)
     rack-cors (1.0.3)
     rack-test (1.1.0)