diff --git a/dev-python/faust-cchardet/faust-cchardet-2.1.18.ebuild b/dev-python/faust-cchardet/faust-cchardet-2.1.18.ebuild
index 39fef7c515..4216f7e1a0 100644
--- a/dev-python/faust-cchardet/faust-cchardet-2.1.18.ebuild
+++ b/dev-python/faust-cchardet/faust-cchardet-2.1.18.ebuild
@@ -1,10 +1,10 @@
-# Copyright 2023 Gentoo Authors
+# Copyright 2023-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
 DISTUTILS_USE_PEP517=setuptools
-PYTHON_COMPAT=( python3_{9..11} )
+PYTHON_COMPAT=( python3_{10..12} )
 inherit distutils-r1
 
 GIT_SUBMODULES=(
@@ -31,6 +31,8 @@ KEYWORDS="~amd64"
 
 S="${WORKDIR}/cChardet-${PV}"
 
+BDEPEND="dev-python/cython"
+
 distutils_enable_tests pytest
 
 src_unpack() {
diff --git a/dev-python/faust-cchardet/faust-cchardet-2.1.19.ebuild b/dev-python/faust-cchardet/faust-cchardet-2.1.19.ebuild
index 39fef7c515..4216f7e1a0 100644
--- a/dev-python/faust-cchardet/faust-cchardet-2.1.19.ebuild
+++ b/dev-python/faust-cchardet/faust-cchardet-2.1.19.ebuild
@@ -1,10 +1,10 @@
-# Copyright 2023 Gentoo Authors
+# Copyright 2023-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
 DISTUTILS_USE_PEP517=setuptools
-PYTHON_COMPAT=( python3_{9..11} )
+PYTHON_COMPAT=( python3_{10..12} )
 inherit distutils-r1
 
 GIT_SUBMODULES=(
@@ -31,6 +31,8 @@ KEYWORDS="~amd64"
 
 S="${WORKDIR}/cChardet-${PV}"
 
+BDEPEND="dev-python/cython"
+
 distutils_enable_tests pytest
 
 src_unpack() {