diff --git a/Gemfile.lock b/Gemfile.lock
index 33774c5..e85ad07 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
     mustermann (1.0.3)
     netaddr (1.5.1)
     nio4r (2.4.0)
-    nokogiri (1.10.3)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     nori (2.6.0)
     parallel (1.17.0)