diff --git a/Gemfile.lock b/Gemfile.lock
index 15ef64d..11b3856 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,7 @@ GEM
     mime-types-data (3.2018.0812)
     mimemagic (0.3.3)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.0)
     mini_racer (0.2.4)
       libv8 (>= 6.3)
     minitest (5.11.3)
@@ -161,8 +161,9 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (5.0.2)
     nio4r (2.3.1)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.0)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     pg (1.1.3)
     popper_js (1.14.5)
     pry (0.12.2)
@@ -171,6 +172,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     puma (3.12.0)
+    racc (1.5.2)
     rack (2.0.8)
     rack-attack (5.4.2)
       rack (>= 1.0, < 3)