diff --git a/Gemfile.lock b/Gemfile.lock
index f97e329..f26bee9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,15 +97,17 @@ GEM
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.0)
-    nokogiri (1.9.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.5)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     poltergeist (1.18.1)
       capybara (>= 2.1, < 4)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
     public_suffix (3.1.1)
+    racc (1.5.2)
     rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)