diff --git a/Gemfile.lock b/Gemfile.lock
index b693696..b61fd2a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,16 +51,18 @@ GEM
     launchy (2.5.0)
       addressable (~> 2.7)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.5)
     multi_json (1.14.1)
     multi_test (0.1.2)
     mustermann (1.0.3)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.16.3)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     public_suffix (4.0.4)
     quke_demo_app (0.2.0)
       sinatra (~> 2.0.2)
       thor
+    racc (1.7.3)
     rack (2.2.3)
     rack-protection (2.0.7)
       rack