diff --git a/Gemfile b/Gemfile
index 2f2171c4..14c62914 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 ruby RUBY_VERSION
 
-gem "jekyll", "3.6.2"
+gem "jekyll", "3.6.3"
 
 # to use GitHub Pages
 # gem "github-pages", group: :jekyll_plugins
diff --git a/Gemfile.lock b/Gemfile.lock
index 3c52e83c..9ec70937 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
     ffi (1.11.2)
     ffi (1.11.2-x64-mingw32)
     forwardable-extended (2.6.0)
-    jekyll (3.6.2)
+    jekyll (3.6.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       jekyll-sass-converter (~> 1.0)
@@ -64,7 +64,7 @@ PLATFORMS
   x64-mingw32
 
 DEPENDENCIES
-  jekyll (= 3.6.2)
+  jekyll (= 3.6.3)
   jekyll-feed
   jekyll-redirect-from (~> 0.11.0)
   jekyll-seo-tag