diff --git a/Gemfile.lock b/Gemfile.lock
index eac4f68..90e54c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -68,7 +68,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     nio4r (2.3.1)
-    nokogiri (1.10.2)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     rack (2.0.7)
     rack-test (1.1.0)