diff --git a/Gemfile b/Gemfile
old mode 100755
new mode 100644
index 4fe7639..3bf1b8e
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-gem 'jekyll', '3.3.1'
+gem 'jekyll', '3.6.3'
 gem "lisbn"
 gem "byebug"
 gem "sanitize"
diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index 263a922..6f44d3a
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     aws-sdk (2.10.110)
       aws-sdk-resources (= 2.10.110)
     aws-sdk-core (2.10.110)
@@ -20,18 +20,18 @@ GEM
     crass (1.0.4)
     deep_merge (1.0.1)
     dotenv (1.0.2)
-    ffi (1.11.1)
+    ffi (1.14.2)
     forwardable-extended (2.6.0)
-    jekyll (3.3.1)
+    jekyll (3.6.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 1.1)
-      kramdown (~> 1.3)
-      liquid (~> 3.0)
+      kramdown (~> 1.14)
+      liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
-      rouge (~> 1.7)
+      rouge (>= 1.7, < 3)
       safe_yaml (~> 1.0)
     jekyll-archives (2.1.1)
       jekyll (>= 2.4)
@@ -45,14 +45,13 @@ GEM
       listen (~> 3.0)
     jmespath (1.3.1)
     kramdown (1.17.0)
-    liquid (3.0.6)
+    liquid (4.0.3)
     lisbn (0.2.4)
       nokogiri
       nori (~> 2.0)
-    listen (3.1.5)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-      ruby_dep (~> 1.2)
+    listen (3.4.1)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
     mini_portile2 (2.3.0)
     nokogiri (1.8.1)
@@ -62,12 +61,11 @@ GEM
     nori (2.6.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.3)
-    rb-fsevent (0.10.3)
-    rb-inotify (0.10.0)
+    public_suffix (4.0.6)
+    rb-fsevent (0.10.4)
+    rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rouge (1.11.1)
-    ruby_dep (1.5.0)
+    rouge (2.2.1)
     s3_website (3.4.0)
       colored (= 1.2)
       configure-s3-website (= 2.3.0)
@@ -90,7 +88,7 @@ PLATFORMS
 
 DEPENDENCIES
   byebug
-  jekyll (= 3.3.1)
+  jekyll (= 3.6.3)
   jekyll-archives (= 2.1.1)
   jekyll-feed (= 0.6.0)
   jekyll-paginate (= 1.1.0)