diff --git a/Gemfile.lock b/Gemfile.lock
index bad9c85ef2e..8349235cdf4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,13 +87,14 @@ GEM
     middleman-syntax (2.0.0)
       middleman-core (~> 3.2)
       rouge (~> 1.0)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.6)
     minitest (5.7.0)
     multi_json (1.11.1)
-    nokogiri (1.7.0.1)
-      mini_portile2 (~> 2.1.0)
-    nokogiri (1.7.0.1-x64-mingw32)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.16.5)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
+    nokogiri (1.16.5-x64-mingw32)
+      racc (~> 1.4)
     padrino-helpers (0.12.5)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.12.5)
@@ -101,6 +102,7 @@ GEM
     padrino-support (0.12.5)
       activesupport (>= 3.1)
     puma (3.4.0)
+    racc (1.7.3)
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)