diff --git a/Gemfile.lock b/Gemfile.lock
index 7b2babf..d491f33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
       concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
     json (2.3.0)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.2)
     multi_json (1.10.1)
     multi_xml (0.6.0)
@@ -51,10 +51,12 @@ GEM
     mustermann-grape (1.0.1)
       mustermann (>= 1.0.0)
     net-http-persistent (2.8)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     nokogumbo (2.0.2)
       nokogiri (~> 1.8, >= 1.8.4)
+    racc (1.5.2)
     rack (2.2.3)
     rack-accept (0.4.5)
       rack (>= 0.4)