diff --git a/Gemfile b/Gemfile
index b1389a1..99e42c1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source "https://rubygems.org"
 gem 'bourbon', '~> 4.2.1'
 gem 'jekyll-babel', '~>1.1.0'
 gem 'jekyll-paginate', '~>1.1.0'
-gem 'jekyll', '~>3.9.0'
+gem 'jekyll', '~>3.9.3'
 gem 'json', '~> 2.3'
 gem 'neat', '~> 1.7.1'
 gem 'nokogiri', '~> 1.13.6'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1638f82..052de5b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     babel-source (5.8.35)
     babel-transpiler (0.7.0)
       babel-source (>= 4.0, < 6)
@@ -12,7 +12,7 @@ GEM
       thor (~> 0.19)
     coderay (1.1.3)
     colorator (1.1.0)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.2.0)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -44,13 +44,13 @@ GEM
     ffi (1.15.5)
     forwardable-extended (2.6.0)
     http_parser.rb (0.8.0)
-    i18n (0.9.5)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jekyll (3.9.1)
+    jekyll (3.9.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 2.0)
       kramdown (>= 1.17, < 3)
@@ -75,8 +75,8 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     libv8 (3.16.14.19)
-    liquid (4.0.3)
-    listen (3.7.1)
+    liquid (4.0.4)
+    listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
@@ -97,9 +97,9 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.7)
+    public_suffix (5.0.1)
     racc (1.6.0)
-    rb-fsevent (0.11.1)
+    rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     ref (2.0.0)
@@ -126,7 +126,7 @@ PLATFORMS
 
 DEPENDENCIES
   bourbon (~> 4.2.1)
-  jekyll (~> 3.9.0)
+  jekyll (~> 3.9.3)
   jekyll-babel (~> 1.1.0)
   jekyll-github-metadata (~> 2.14)
   jekyll-paginate (~> 1.1.0)