diff --git a/dev-python/opt-einsum/opt-einsum-3.3.0-r1.ebuild b/dev-python/opt-einsum/opt-einsum-3.3.0-r1.ebuild
index 32486a84ef900..497f35c0649d0 100644
--- a/dev-python/opt-einsum/opt-einsum-3.3.0-r1.ebuild
+++ b/dev-python/opt-einsum/opt-einsum-3.3.0-r1.ebuild
@@ -4,17 +4,31 @@
 EAPI=8
 
 DISTUTILS_USE_PEP517=setuptools
-PYTHON_COMPAT=( python3_{9..11} )
+PYTHON_COMPAT=( python3_{10..12} )
 
 inherit distutils-r1 pypi
 
 DESCRIPTION="Optimized Einsum: A tensor contraction order optimizer"
-HOMEPAGE="https://pypi.org/project/opt-einsum/"
+HOMEPAGE="
+	https://github.com/dgasmith/opt_einsum/
+	https://pypi.org/project/opt-einsum/
+"
 
 LICENSE="MIT"
 SLOT="0"
 KEYWORDS="amd64 ~arm64 x86"
 
-RDEPEND="dev-python/numpy[${PYTHON_USEDEP}]"
+RDEPEND="
+	dev-python/numpy[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	dev-python/versioneer[${PYTHON_USEDEP}]
+"
 
 distutils_enable_tests pytest
+
+src_prepare() {
+	# ancient, broken version
+	rm versioneer.py || die
+	distutils-r1_src_prepare
+}