diff --git a/Gemfile.lock b/Gemfile.lock
index fe5cea8..5c8cd3e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,12 +16,13 @@ GEM
     coderay (1.1.3)
     method_source (1.0.0)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.2)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -29,6 +30,7 @@ GEM
       byebug (~> 11.0)
       pry (~> 0.13.0)
     public_suffix (4.0.6)
+    racc (1.5.2)
     rack (2.2.3)
     rack-protection (2.1.0)
       rack