diff --git a/Gemfile.lock b/Gemfile.lock
index 5db015c..5ff3b33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
     minitest (5.11.3)
     msgpack (1.3.1)
     nio4r (2.4.0)
-    nokogiri (1.10.3)
+    nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     pg (1.1.4)
     puma (3.12.1)