diff --git a/Gemfile.lock b/Gemfile.lock
index 344f3e8..9081372 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,13 +11,17 @@ GEM
     diff-lcs (1.1.3)
     htmlentities (4.3.0)
     mechanize (2.0.1)
-      net-http-digest_auth (>= 1.1.1, ~> 1.1)
+      net-http-digest_auth (~> 1.1, >= 1.1.1)
       net-http-persistent (~> 1.8)
       nokogiri (~> 1.4)
-      webrobots (>= 0.0.9, ~> 0.0)
+      webrobots (~> 0.0, >= 0.0.9)
+    mini_portile2 (2.8.0)
     net-http-digest_auth (1.1.1)
     net-http-persistent (1.9)
-    nokogiri (1.5.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    racc (1.6.0)
     rake (0.9.2)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)