diff --git a/srcpkgs/python3-ultrajson/template b/srcpkgs/python3-ultrajson/template
index 1784be3596a..faf1e2e7628 100644
--- a/srcpkgs/python3-ultrajson/template
+++ b/srcpkgs/python3-ultrajson/template
@@ -1,6 +1,6 @@
 # Template file for 'python3-ultrajson'
 pkgname=python3-ultrajson
-version=3.2.0
+version=4.0.0
 revision=1
 wrksrc="ujson-${version}"
 build_style=python3-module
@@ -11,7 +11,11 @@ maintainer="Andrew J. Hesford <ajh@sideband.org>"
 license="BSD-3-Clause"
 homepage="https://github.com/ultrajson/ultrajson"
 distfiles="${PYPI_SITE}/u/ujson/ujson-${version}.tar.gz"
-checksum=abb1996ba1c1d2faf5b1e38efa97da7f64e5373a31f705b96fe0587f5f778db4
+checksum=dba37ad41906d7f9ff52deeb729b9add7e305b94673b41979e9a6c5914083aa8
+
+post_patch() {
+	vsed -i setup.py -e 's/"setuptools_scm"//g'
+}
 
 post_install() {
 	vlicense LICENSE.txt