diff --git a/Gemfile.lock b/Gemfile.lock
index 85f1944..ebe1c23 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     msgpack (1.2.10)
     multi_json (1.13.1)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     pg (0.18.4)
     public_suffix (3.0.3)