diff --git a/Gemfile.lock b/Gemfile.lock
index 57b4bfa..f5e03c9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,7 +113,7 @@ GEM
     mysql2 (0.5.2)
     net_http_ssl_fix (0.0.10)
     nio4r (2.3.1)
-    nokogiri (1.10.2)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     open4 (1.3.4)
     public_suffix (3.0.3)