diff --git a/Gemfile b/Gemfile
index ca2903b..4d8ee41 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,28 +1,28 @@
-source "https://rubygems.org"
-ruby RUBY_VERSION
-
-# Hello! This is where you manage which Jekyll version is used to run.
-# When you want to use a different version, change it below, save the
-# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
-#
-#     bundle exec jekyll serve
-#
-# This will help ensure the proper Jekyll version is running.
-# Happy Jekylling!
-gem "jekyll", "3.3.0"
-
-# This is the default theme for new Jekyll sites. You may change this to anything you like.
-# gem "minima", "~> 2.0"
-
-# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
-# uncomment the line below. To upgrade, run `bundle update github-pages`.
-# gem "github-pages", group: :jekyll_plugins
-
-# If you have any plugins, put them here!
-group :jekyll_plugins do
-   gem "jekyll-feed"
-   gem "rouge", "~> 1.7"
-   # gem "jekyll-paginate", "1.1.0"
-   gem "jekyll-sitemap"
-   gem "jekyll-seo-tag"
-end
+source "https://rubygems.org"
+ruby RUBY_VERSION
+
+# Hello! This is where you manage which Jekyll version is used to run.
+# When you want to use a different version, change it below, save the
+# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
+#
+#     bundle exec jekyll serve
+#
+# This will help ensure the proper Jekyll version is running.
+# Happy Jekylling!
+gem "jekyll", "3.6.3"
+
+# This is the default theme for new Jekyll sites. You may change this to anything you like.
+# gem "minima", "~> 2.0"
+
+# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
+# uncomment the line below. To upgrade, run `bundle update github-pages`.
+# gem "github-pages", group: :jekyll_plugins
+
+# If you have any plugins, put them here!
+group :jekyll_plugins do
+   gem "jekyll-feed"
+   gem "rouge", "~> 1.7"
+   # gem "jekyll-paginate", "1.1.0"
+   gem "jekyll-sitemap"
+   gem "jekyll-seo-tag"
+end
diff --git a/Gemfile.lock b/Gemfile.lock
index 46ee0c3..0e7e057 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,54 +1,60 @@
-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 (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    colorator (1.1.0)
+    ffi (1.13.0)
+    forwardable-extended (2.6.0)
+    jekyll (3.6.3)
+      addressable (~> 2.4)
+      colorator (~> 1.0)
+      jekyll-sass-converter (~> 1.0)
+      jekyll-watch (~> 1.1)
+      kramdown (~> 1.14)
+      liquid (~> 4.0)
+      mercenary (~> 0.3.3)
+      pathutil (~> 0.9)
+      rouge (>= 1.7, < 3)
+      safe_yaml (~> 1.0)
+    jekyll-feed (0.8.0)
+      jekyll (~> 3.3)
+    jekyll-sass-converter (1.5.2)
+      sass (~> 3.4)
+    jekyll-seo-tag (2.1.0)
+      jekyll (~> 3.3)
+    jekyll-sitemap (0.12.0)
+      jekyll (~> 3.3)
+    jekyll-watch (1.5.1)
+      listen (~> 3.0)
+    kramdown (1.17.0)
+    liquid (4.0.3)
+    listen (3.2.1)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    mercenary (0.3.6)
+    pathutil (0.16.2)
+      forwardable-extended (~> 2.6)
+    public_suffix (4.0.5)
+    rb-fsevent (0.10.4)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rouge (1.11.1)
+    safe_yaml (1.0.5)
+    sass (3.7.4)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  jekyll (= 3.6.3)
+  jekyll-feed
+  jekyll-seo-tag
+  jekyll-sitemap
   rouge (~> 1.7)
 
 RUBY VERSION