diff --git a/Gemfile b/Gemfile
index 38d583ae..d45f0f91 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,6 +10,8 @@ source "https://rubygems.org"
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
 gem "minima", "~> 2.0"
 
+gem "jekyll-sitemap", "~> 1.4.0"
+
 # If you have any plugins, put them here!
 group :jekyll_plugins do
   gem "jekyll-feed", "~> 0.6"
@@ -22,4 +24,4 @@ gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 # Performance-booster for watching directories on Windows
 gem "wdm", "~> 0.1.0" if Gem.win_platform?
 
-gem "html-proofer", '>=3.3.1'
\ No newline at end of file
+gem "html-proofer", '>=3.3.1'
diff --git a/_config.yml b/_config.yml
index ae301d86..ef594d4a 100644
--- a/_config.yml
+++ b/_config.yml
@@ -16,3 +16,6 @@ defaults:
 
 header_pages:
   - waku.md
+
+plugins:
+  - jekyll-sitemap