diff --git a/Gemfile.lock b/Gemfile.lock
index 249abd4..e3a0ddc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,12 +14,14 @@ GEM
       nokogiri
       rdoc-rouge
       sinatra
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     mustermann (1.0.3)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     oj (3.7.0)
     public_suffix (3.0.3)
+    racc (1.5.2)
     rack (2.1.4)
     rack-protection (2.0.4)
       rack