diff --git a/Gemfile.lock b/Gemfile.lock
index 1dd7226..467df89 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,10 +28,14 @@ GEM
       ntlm-http (~> 0.1, >= 0.1.1)
       webrobots (~> 0.0, >= 0.0.9)
     mime-types (1.17.2)
+    mini_portile2 (2.6.1)
     net-http-digest_auth (1.2)
     net-http-persistent (2.5.2)
-    nokogiri (1.5.2)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     ntlm-http (0.1.1)
+    racc (1.5.2)
     rake (0.9.2.2)
     rspec (2.8.0)
       rspec-core (~> 2.8.0)