diff --git a/Gemfile.lock b/Gemfile.lock
index 2dcebb3..d781364 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,16 +78,18 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     mustermann (1.0.3)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.0.3)
+    racc (1.6.0)
     rack (2.0.6)
     rack-protection (2.0.4)
       rack