diff --git a/Gemfile.lock b/Gemfile.lock
index 6759299..48274d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,9 +30,9 @@ GEM
     ffi (1.10.0)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
-    github-pages (193)
+    github-pages (196)
       activesupport (= 4.2.10)
-      github-pages-health-check (= 1.8.1)
+      github-pages-health-check (= 1.16.0)
       jekyll (= 3.7.4)
       jekyll-avatar (= 0.6.0)
       jekyll-coffeescript (= 1.1.1)
@@ -40,13 +40,13 @@ GEM
       jekyll-default-layout (= 0.1.4)
       jekyll-feed (= 0.11.0)
       jekyll-gist (= 1.5.0)
-      jekyll-github-metadata (= 2.9.4)
+      jekyll-github-metadata (= 2.12.1)
       jekyll-mentions (= 1.4.1)
       jekyll-optional-front-matter (= 0.3.0)
       jekyll-paginate (= 1.1.0)
       jekyll-readme-index (= 0.2.0)
       jekyll-redirect-from (= 0.14.0)
-      jekyll-relative-links (= 0.5.3)
+      jekyll-relative-links (= 0.6.0)
       jekyll-remote-theme (= 0.3.1)
       jekyll-sass-converter (= 1.5.2)
       jekyll-seo-tag (= 2.5.0)
@@ -66,20 +66,20 @@ GEM
       jekyll-theme-tactile (= 0.1.1)
       jekyll-theme-time-machine (= 0.1.1)
       jekyll-titles-from-headings (= 0.5.1)
-      jemoji (= 0.10.1)
+      jemoji (= 0.10.2)
       kramdown (= 1.17.0)
       liquid (= 4.0.0)
       listen (= 3.1.5)
       mercenary (~> 0.3)
       minima (= 2.5.0)
-      nokogiri (>= 1.8.2, < 2.0)
+      nokogiri (>= 1.8.5, < 2.0)
       rouge (= 2.2.1)
       terminal-table (~> 1.4)
-    github-pages-health-check (1.8.1)
+    github-pages-health-check (1.16.0)
       addressable (~> 2.3)
       dnsruby (~> 1.60)
       octokit (~> 4.0)
-      public_suffix (~> 2.0)
+      public_suffix (~> 3.0)
       typhoeus (~> 1.3)
     html-pipeline (2.10.0)
       activesupport (>= 2)
@@ -120,8 +120,8 @@ GEM
       jekyll (~> 3.3)
     jekyll-gist (1.5.0)
       octokit (~> 4.2)
-    jekyll-github-metadata (2.9.4)
-      jekyll (~> 3.1)
+    jekyll-github-metadata (2.12.1)
+      jekyll (~> 3.4)
       octokit (~> 4.0, != 4.4.0)
     jekyll-mentions (1.4.1)
       html-pipeline (~> 2.3)
@@ -133,7 +133,7 @@ GEM
       jekyll (~> 3.0)
     jekyll-redirect-from (0.14.0)
       jekyll (~> 3.3)
-    jekyll-relative-links (0.5.3)
+    jekyll-relative-links (0.6.0)
       jekyll (~> 3.3)
     jekyll-remote-theme (0.3.1)
       jekyll (~> 3.5)
@@ -189,7 +189,7 @@ GEM
       jekyll (~> 3.3)
     jekyll-watch (2.1.2)
       listen (~> 3.0)
-    jemoji (0.10.1)
+    jemoji (0.10.2)
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (~> 3.0)
@@ -213,7 +213,7 @@ GEM
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (2.0.5)
+    public_suffix (3.0.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -248,4 +248,4 @@ DEPENDENCIES
   jekyll-compose
 
 BUNDLED WITH
-   1.17.3
+   2.0.1