diff --git a/database/upgrades/2022-04-02-add-username-and-password.go b/database/upgrades/2022-04-02-add-username-and-password.go
new file mode 100644
index 0000000..0dc240d
--- /dev/null
+++ b/database/upgrades/2022-04-02-add-username-and-password.go
@@ -0,0 +1,18 @@
+package upgrades
+
+import (
+	"database/sql"
+)
+
+func init() {
+	upgrades[20] = upgrade{"Add password columns to user table.", func(tx *sql.Tx, c context) error {
+		if c.dialect == Postgres {
+			_, err := tx.Exec(`ALTER TABLE "user" ADD COLUMN password VARCHAR(255)`)
+			if err != nil {
+				return err
+			}
+		}
+
+		return nil
+	}}
+}
diff --git a/database/upgrades/upgrades.go b/database/upgrades/upgrades.go
index e224593..af54f6c 100644
--- a/database/upgrades/upgrades.go
+++ b/database/upgrades/upgrades.go
@@ -39,7 +39,7 @@ type upgrade struct {
 	fn      upgradeFunc
 }
 
-const NumberOfUpgrades = 20
+const NumberOfUpgrades = 21
 
 var upgrades [NumberOfUpgrades]upgrade