diff --git a/Gemfile.lock b/Gemfile.lock
index 8dec711..b88f729 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,9 @@ GEM
   specs:
     macaddr (1.5.0)
       systemu (>= 2.4.0)
-    nokogiri (1.5.0)
+    mini_portile2 (2.4.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     systemu (2.4.2)
     uuid (2.3.5)
       macaddr (~> 1.0)