diff --git a/Gemfile.lock b/Gemfile.lock
index 8fcf5a4b..efc28841 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,6 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    RedCloth (4.2.9)
     activesupport (4.2.6)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
@@ -14,7 +13,7 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     colorator (0.1)
-    ethon (0.8.1)
+    ethon (0.9.0)
       ffi (>= 1.3.0)
     execjs (2.6.0)
     faraday (0.9.2)
@@ -22,27 +21,24 @@ GEM
     ffi (1.9.10)
     ffi (1.9.10-x64-mingw32)
     gemoji (2.1.0)
-    github-pages (69)
-      RedCloth (= 4.2.9)
+    github-pages (78)
       github-pages-health-check (= 1.1.0)
-      jekyll (= 3.0.3)
+      jekyll (= 3.0.5)
       jekyll-coffeescript (= 1.0.1)
-      jekyll-feed (= 0.4.0)
+      jekyll-feed (= 0.5.1)
       jekyll-gist (= 1.4.0)
-      jekyll-github-metadata (= 1.11.0)
+      jekyll-github-metadata (= 1.11.1)
       jekyll-mentions (= 1.1.2)
       jekyll-paginate (= 1.1.0)
       jekyll-redirect-from (= 0.10.0)
       jekyll-sass-converter (= 1.3.0)
-      jekyll-seo-tag (= 1.3.3)
+      jekyll-seo-tag (= 1.4.0)
       jekyll-sitemap (= 0.10.0)
-      jekyll-textile-converter (= 0.1.0)
       jemoji (= 0.6.2)
       kramdown (= 1.10.0)
       liquid (= 3.0.6)
+      listen (= 3.0.6)
       mercenary (~> 0.3)
-      rdiscount (= 2.1.8)
-      redcarpet (= 3.3.3)
       rouge (= 1.10.1)
       terminal-table (~> 1.4)
     github-pages-health-check (1.1.0)
@@ -55,7 +51,7 @@ GEM
       activesupport (>= 2, < 5)
       nokogiri (>= 1.4)
     i18n (0.7.0)
-    jekyll (3.0.3)
+    jekyll (3.0.5)
       colorator (~> 0.1)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 1.1)
@@ -66,10 +62,10 @@ GEM
       safe_yaml (~> 1.0)
     jekyll-coffeescript (1.0.1)
       coffee-script (~> 2.2)
-    jekyll-feed (0.4.0)
+    jekyll-feed (0.5.1)
     jekyll-gist (1.4.0)
       octokit (~> 4.2)
-    jekyll-github-metadata (1.11.0)
+    jekyll-github-metadata (1.11.1)
       octokit (~> 4.0)
     jekyll-mentions (1.1.2)
       html-pipeline (~> 2.3)
@@ -79,13 +75,11 @@ GEM
       jekyll (>= 2.0)
     jekyll-sass-converter (1.3.0)
       sass (~> 3.2)
-    jekyll-seo-tag (1.3.3)
+    jekyll-seo-tag (1.4.0)
       jekyll (~> 3.0)
     jekyll-sitemap (0.10.0)
-    jekyll-textile-converter (0.1.0)
-      RedCloth (~> 4.0)
-    jekyll-watch (1.3.1)
-      listen (~> 3.0)
+    jekyll-watch (1.4.0)
+      listen (~> 3.0, < 3.1)
     jemoji (0.6.2)
       gemoji (~> 2.0)
       html-pipeline (~> 2.2)
@@ -111,8 +105,6 @@ GEM
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
-    rdiscount (2.1.8)
-    redcarpet (3.3.3)
     rouge (1.10.1)
     safe_yaml (1.0.4)
     sass (3.4.22)