diff --git a/README.md b/README.md
index 8579cf05b89894f31c22bb28970fe1eb29cdbfbd..cac6ff494d996b0a545b52c431d2608ece057dc9 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@
 
 * Ubuntu/Debian**
 * ruby 1.9.3
-* MySQL
+* MySQL or PostgreSQL
 * git
 * gitlab-shell
 * redis