diff --git a/README.md b/README.md
index d2c1456..a6a2406 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@ High performance Stratum poolserver in Node.js
 
 ### To do
 
+* Integrate with PostgreSQL database
 * Handle share submissions
 * Payment processing module
 * Support more algos (scrypt, scrypt-jane, quark)