diff --git a/Gemfile.lock b/Gemfile.lock
index 24d6317..1cd46a0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.0)
     minitest-rg (5.2.0)
       minitest (~> 5.0)
@@ -11,13 +11,15 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.2)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     public_suffix (4.0.3)
     puma (4.3.3)
       nio4r (~> 2.0)
     pygments.rb (1.2.1)
       multi_json (>= 1.0.0)
+    racc (1.5.2)
     rack (2.2.2)
     rack-canonical-host (0.2.3)
       addressable (> 0, < 3)