diff --git a/Gemfile.lock b/Gemfile.lock
index 8505b39..66103ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,11 +8,13 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     multipart-post (2.1.1)
     mustermann (1.0.3)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.0)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
+    racc (1.5.2)
     rack (2.0.7)
     rack-protection (2.0.5)
       rack