diff --git a/Gemfile.lock b/Gemfile.lock
index a6790e8..52fc797 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,10 +22,10 @@ GEM
     ffi (1.12.2)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
-    github-pages (127)
+    github-pages (130)
       activesupport (= 4.2.7)
       github-pages-health-check (= 1.3.3)
-      jekyll (= 3.4.1)
+      jekyll (= 3.4.3)
       jekyll-avatar (= 0.4.2)
       jekyll-coffeescript (= 1.0.1)
       jekyll-default-layout (= 0.1.4)
@@ -62,7 +62,6 @@ GEM
       listen (= 3.0.6)
       mercenary (~> 0.3)
       minima (= 2.0.0)
-      nokogiri (= 1.6.8.1)
       rouge (= 1.11.1)
       terminal-table (~> 1.4)
     github-pages-health-check (1.3.3)
@@ -75,7 +74,7 @@ GEM
       activesupport (>= 2)
       nokogiri (>= 1.4)
     i18n (0.8.1)
-    jekyll (3.4.1)
+    jekyll (3.4.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       jekyll-sass-converter (~> 1.0)
@@ -161,18 +160,20 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.8)
     minima (2.0.0)
     minitest (5.10.1)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.6.8.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.18.3)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     octokit (4.6.2)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
+    racc (1.8.1)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)