diff --git a/PKGBUILD b/PKGBUILD
index 7bdc031..fd968f3 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -8,7 +8,7 @@ pkgver=1.0.1
 _seafilever=1.4.5
 
 #The release number for the arch package, as fixes are added to the PKGBUILD, the release number will increase
-pkgrel=3
+pkgrel=4
 
 # The description of the package, should be about 80 characters long (one line)
 pkgdesc="A simple and easy-to-use C language RPC framework (including both server side & client side) based on GObject System."
@@ -51,7 +51,7 @@ build () {
 	prepare
 	cd "$srcdir/seafile-$_seafilever/$pkgname"
 	./configure --prefix=/usr PYTHON=/usr/bin/python2
-	make
+	make -j1
 }
 
 package () {