diff --git a/Gemfile.lock b/Gemfile.lock
index 804421d..497a154 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
     minitest (5.13.0)
     msgpack (1.3.1)
     nio4r (2.5.2)
-    nokogiri (1.10.5)
+    nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     public_suffix (4.0.1)
     puma (4.3.5)