diff --git a/Rakefile b/Rakefile
index c101058..25ae11b 100644
--- a/Rakefile
+++ b/Rakefile
@@ -18,6 +18,10 @@ task :lib do
   end
 end
 
+task :doxygen do
+  sh(*%w[doxygen Doxyfile])
+end
+
 task :test do
   base_env.clone do |env|
     env.build_root = "build/test"