diff --git a/dev-python/cython/cython-3.0.10.ebuild b/dev-python/cython/cython-3.0.10.ebuild
index 4ca5a857b6299..388036570b81c 100644
--- a/dev-python/cython/cython-3.0.10.ebuild
+++ b/dev-python/cython/cython-3.0.10.ebuild
@@ -6,7 +6,7 @@ EAPI=8
 DISTUTILS_EXT=1
 DISTUTILS_USE_PEP517=setuptools
 PYTHON_TESTED=( python3_{10..12} )
-PYTHON_COMPAT=( "${PYTHON_TESTED[@]}" pypy3 )
+PYTHON_COMPAT=( "${PYTHON_TESTED[@]}" pypy3 python3_13 )
 PYTHON_REQ_USE="threads(+)"
 
 inherit distutils-r1 multiprocessing toolchain-funcs