diff --git a/Gemfile.lock b/Gemfile.lock
index 9151e75..1733740 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,10 +34,13 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
+    mini_portile2 (2.4.0)
     multi_json (1.12.1)
     multipart-post (2.0.0)
     mustermann (1.0.2)
-    nokogiri (1.8.2-java)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.9-java)
     parslet (1.8.0)
     pst (0.0.2)
       andand