diff --git a/Gemfile.lock b/Gemfile.lock
index a999644..1e134e3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -237,7 +237,7 @@ GEM
     mime-types-data (3.2019.0331)
     mimemagic (0.3.3)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     multi_json (1.13.1)
     multi_test (0.1.2)
@@ -246,8 +246,9 @@ GEM
     nested_form (0.3.2)
     netrc (0.11.0)
     nio4r (2.4.0)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pg (1.1.4)
     poltergeist (1.18.1)
@@ -262,6 +263,7 @@ GEM
     public_suffix (3.1.1)
     puma (4.1.0)
       nio4r (~> 2.0)
+    racc (1.5.2)
     rack (2.0.7)
     rack-pjax (1.1.0)
       nokogiri (~> 1.5)