diff --git a/Gemfile.lock b/Gemfile.lock
index 46af76a..48801df 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,7 +24,7 @@ GEM
       addressable (~> 2.3)
       colorize (~> 0.8)
       mercenary (~> 0.3.2)
-      nokogiri (~> 1.8.1)
+      nokogiri (~> 1.10.4)
       parallel (~> 1.3)
       typhoeus (~> 1.3)
       yell (~> 2.0)
@@ -61,7 +61,7 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
-    nokogiri (1.8.2)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.3.0)
     parallel (1.12.1)
     pathutil (0.16.1)