diff --git a/Gemfile.lock b/Gemfile.lock
index b1b0b653..7ec9730f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -139,7 +139,7 @@ GEM
       metaclass (~> 0.0.1)
     mysql2 (0.5.2)
     nio4r (2.5.1)
-    nokogiri (1.10.4)
+    nokogiri (1.10.6)
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.1)
       nokogiri (~> 1.8, >= 1.8.4)