diff --git a/srcpkgs/python3-tempora/template b/srcpkgs/python3-tempora/template
index c4dbebd31b..fac5a88def 100644
--- a/srcpkgs/python3-tempora/template
+++ b/srcpkgs/python3-tempora/template
@@ -1,25 +1,20 @@
 # Template file for 'python3-tempora'
 pkgname=python3-tempora
-version=2.0.0
-revision=3
+version=4.0.0
+revision=1
 wrksrc="tempora-${version}"
 build_style=python3-module
-hostmakedepends="python3-setuptools"
+hostmakedepends="python3-setuptools_scm python3-toml"
 depends="python3-setuptools python3-six python3-pytz"
 short_desc="Objects and routines pertaining to date and time (Python3)"
 maintainer="Orphaned <orphan@voidlinux.org>"
 license="MIT"
 homepage="https://github.com/jaraco/tempora"
 distfiles="${PYPI_SITE}/t/tempora/tempora-${version}.tar.gz"
-checksum=f11df59b34b9a87d395cce031274f6ff3d2be2171dd1db32dff9ab1fcb5352fa
-conflicts="python-tempora>=0"
-
-pre_build() {
-	vsed -i setup.py \
-		 -e '/setuptools_scm/d' \
-		 -e "s|use_scm_version=True|version='${version}'|"
-}
+checksum=599a3a910b377f2b544c7b221582ecf4cb049b017c994b37f2b1a9ed1099716e
+alternatives="tempora:calc-prorate:/usr/bin/calc-prorate3"
 
 post_install() {
 	vlicense LICENSE
+	mv "${DESTDIR}/usr/bin/calc-prorate" "${DESTDIR}/usr/bin/calc-prorate3"
 }