diff --git a/website/Gemfile.lock b/website/Gemfile.lock
index 64e5f4fd8c8..9cd943be68e 100644
--- a/website/Gemfile.lock
+++ b/website/Gemfile.lock
@@ -122,11 +122,11 @@ GEM
       middleman-core (~> 3.2)
       rouge (~> 1.0)
     mime-types (2.6.2)
-    mini_portile (0.6.2)
+    mini_portile2 (2.4.0)
     minitest (5.8.1)
     multi_json (1.11.2)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.9.1)
+      mini_portile2 (~> 2.4.0)
     padrino-helpers (0.12.5)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.12.5)