diff --git a/Gemfile b/Gemfile
index 0d7de115a6..98c5b5f4a0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,8 +6,8 @@ source 'https://rubygems.org'
 group :development, :test do
   gem 'jekyll', '~> 2.5.3'
   gem 'jekyll-redirect-from', '~> 0.8.0'
-  gem 'jekyll-sitemap', '~> 0.8.1'
-  gem 'rouge', '~> 1.9.1'
+  gem 'jekyll-sitemap', '~> 0.9.0'
+  gem 'rouge', '~> 1.10.1'
   gem 'sass', '~> 3.4.18'
   gem 'scss_lint', '~> 0.41'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 168255b38a..5969b595ee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,6 @@ GEM
   remote: https://rubygems.org/
   specs:
     blankslate (2.1.2.4)
-    celluloid (0.16.0)
-      timers (~> 4.0.0)
     classifier-reborn (2.0.3)
       fast-stemmer (~> 1.0)
     coffee-script (2.4.1)
@@ -14,7 +12,6 @@ GEM
     execjs (2.6.0)
     fast-stemmer (1.0.2)
     ffi (1.9.10)
-    hitimes (1.2.2)
     jekyll (2.5.3)
       classifier-reborn (~> 2.0)
       colorator (~> 0.1)
@@ -38,13 +35,12 @@ GEM
       jekyll (>= 2.0)
     jekyll-sass-converter (1.3.0)
       sass (~> 3.2)
-    jekyll-sitemap (0.8.1)
-    jekyll-watch (1.2.1)
-      listen (~> 2.7)
+    jekyll-sitemap (0.9.0)
+    jekyll-watch (1.3.0)
+      listen (~> 3.0)
     kramdown (1.8.0)
     liquid (2.6.3)
-    listen (2.10.1)
-      celluloid (~> 0.16.0)
+    listen (3.0.3)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
     mercenary (0.3.5)
@@ -55,18 +51,16 @@ GEM
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
     rainbow (2.0.0)
-    rb-fsevent (0.9.5)
+    rb-fsevent (0.9.6)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
     redcarpet (3.3.2)
-    rouge (1.9.1)
+    rouge (1.10.1)
     safe_yaml (1.0.4)
     sass (3.4.18)
     scss_lint (0.41.0)
       rainbow (~> 2.0)
       sass (~> 3.4.15)
-    timers (4.0.4)
-      hitimes
     toml (0.1.2)
       parslet (~> 1.5.0)
     yajl-ruby (1.2.1)
@@ -77,8 +71,8 @@ PLATFORMS
 DEPENDENCIES
   jekyll (~> 2.5.3)
   jekyll-redirect-from (~> 0.8.0)
-  jekyll-sitemap (~> 0.8.1)
-  rouge (~> 1.9.1)
+  jekyll-sitemap (~> 0.9.0)
+  rouge (~> 1.10.1)
   sass (~> 3.4.18)
   scss_lint (~> 0.41)