diff --git a/Gemfile.lock b/Gemfile.lock
index a9a456f..95b2d03 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -169,14 +169,15 @@ GEM
     mimemagic (0.3.3)
     mini_magick (4.9.4)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.13.0)
     msgpack (1.3.1)
     multi_json (1.14.1)
     multipart-post (2.1.1)
     nio4r (2.5.2)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pdf-core (0.7.0)
     pdf-inspector (1.3.0)
@@ -205,6 +206,7 @@ GEM
       activesupport (>= 3.0.0)
     pundit-matchers (1.6.0)
       rspec-rails (>= 3.0.0)
+    racc (1.5.2)
     rack (2.2.3)
     rack-cors (1.0.5)
       rack (>= 1.6.0)