diff --git a/Gemfile.lock b/Gemfile.lock
index 46ee0c3..698db59 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,54 +1,56 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    addressable (2.4.0)
-    colorator (1.1.0)
-    ffi (1.9.24)
-    forwardable-extended (2.6.0)
-    jekyll (3.3.0)
-      addressable (~> 2.4)
-      colorator (~> 1.0)
-      jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 1.1)
-      kramdown (~> 1.3)
-      liquid (~> 3.0)
-      mercenary (~> 0.3.3)
-      pathutil (~> 0.9)
-      rouge (~> 1.7)
-      safe_yaml (~> 1.0)
-    jekyll-feed (0.8.0)
-      jekyll (~> 3.3)
-    jekyll-sass-converter (1.4.0)
-      sass (~> 3.4)
-    jekyll-seo-tag (2.1.0)
-      jekyll (~> 3.3)
-    jekyll-sitemap (0.12.0)
-      jekyll (~> 3.3)
-    jekyll-watch (1.5.0)
-      listen (~> 3.0, < 3.1)
-    kramdown (1.12.0)
-    liquid (3.0.6)
-    listen (3.0.8)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    mercenary (0.3.6)
-    pathutil (0.14.0)
-      forwardable-extended (~> 2.6)
-    rb-fsevent (0.9.7)
-    rb-inotify (0.9.7)
-      ffi (>= 0.5.0)
-    rouge (1.11.1)
-    safe_yaml (1.0.4)
-    sass (3.4.22)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  jekyll (= 3.3.0)
-  jekyll-feed
-  jekyll-seo-tag
-  jekyll-sitemap
+GEM
+  remote: https://rubygems.org/
+  specs:
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
+    colorator (1.1.0)
+    ffi (1.9.24)
+    forwardable-extended (2.6.0)
+    jekyll (3.3.0)
+      addressable (~> 2.4)
+      colorator (~> 1.0)
+      jekyll-sass-converter (~> 1.0)
+      jekyll-watch (~> 1.1)
+      kramdown (~> 1.3)
+      liquid (~> 3.0)
+      mercenary (~> 0.3.3)
+      pathutil (~> 0.9)
+      rouge (~> 1.7)
+      safe_yaml (~> 1.0)
+    jekyll-feed (0.8.0)
+      jekyll (~> 3.3)
+    jekyll-sass-converter (1.4.0)
+      sass (~> 3.4)
+    jekyll-seo-tag (2.1.0)
+      jekyll (~> 3.3)
+    jekyll-sitemap (0.12.0)
+      jekyll (~> 3.3)
+    jekyll-watch (1.5.0)
+      listen (~> 3.0, < 3.1)
+    kramdown (1.12.0)
+    liquid (3.0.6)
+    listen (3.0.8)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+    mercenary (0.3.6)
+    pathutil (0.14.0)
+      forwardable-extended (~> 2.6)
+    public_suffix (5.0.0)
+    rb-fsevent (0.9.7)
+    rb-inotify (0.9.7)
+      ffi (>= 0.5.0)
+    rouge (1.11.1)
+    safe_yaml (1.0.4)
+    sass (3.4.22)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  jekyll (= 3.3.0)
+  jekyll-feed
+  jekyll-seo-tag
+  jekyll-sitemap
   rouge (~> 1.7)
 
 RUBY VERSION