diff --git a/srcpkgs/python3-mpi4py/template b/srcpkgs/python3-mpi4py/template
index 4daa548133d..e1762a93a33 100644
--- a/srcpkgs/python3-mpi4py/template
+++ b/srcpkgs/python3-mpi4py/template
@@ -3,7 +3,7 @@ pkgname=python3-mpi4py
 version=3.1.4
 revision=1
 build_style=python3-module
-hostmakedepends="python3-setuptools python3-Cython gcc-fortran openmpi"
+hostmakedepends="python3-setuptools python3-Cython0.29 gcc-fortran openmpi"
 makedepends="python3-devel openmpi-devel"
 depends="openmpi python3"
 short_desc="Python bindings for the Message Passing Interface (MPI) standard"