diff --git a/Gemfile.lock b/Gemfile.lock
index 0fa402d1..11b73c86 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,6 +39,7 @@ GEM
     i18n (0.7.0)
     json (1.8.5)
     kramdown (1.9.0)
+    libv8 (3.16.14.19)
     listen (3.0.5)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
@@ -85,16 +86,18 @@ GEM
     mime-types (3.0)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2015.1120)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.8.1)
     minitest (5.8.4)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.14.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     padrino-helpers (0.13.1)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.1)
       tilt (~> 1.4.1)
     padrino-support (0.13.1)
       activesupport (>= 3.1)
+    racc (1.6.2)
     rack (1.6.12)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -103,10 +106,14 @@ GEM
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
     redcarpet (3.3.4)
+    ref (2.0.0)
     rouge (1.10.1)
     sass (3.4.21)
     sprockets (3.4.1)
       rack (> 1, < 3)
+    therubyracer (0.12.3)
+      libv8 (~> 3.16.14.15)
+      ref
     thor (0.19.1)
     thread_safe (0.3.5)
     tilt (1.4.1)
@@ -129,6 +136,7 @@ DEPENDENCIES
   middleman-syntax (~> 2.1.0)
   redcarpet (~> 3.3.2)
   rouge (~> 1.10.1)
+  therubyracer
 
 BUNDLED WITH
    1.10.6