diff --git a/Gemfile.lock b/Gemfile.lock
index c9ae8b1..fe97702 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -175,8 +175,10 @@ GEM
     mechanize (0.9.2)
       nokogiri (>= 1.2.1)
     mime-types (1.18)
+    mini_portile2 (2.4.0)
     netrc (0.7.1)
-    nokogiri (1.5.2)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     paperclip (2.1.2)
     pg (0.13.2)
     rack (1.0.1)