diff --git a/srcpkgs/python3-Cython/template b/srcpkgs/python3-Cython/template
index 59b34a747da..0de70643573 100644
--- a/srcpkgs/python3-Cython/template
+++ b/srcpkgs/python3-Cython/template
@@ -1,7 +1,7 @@
 # Template file for 'python3-Cython'
 pkgname=python3-Cython
 version=3.0.2
-revision=1
+revision=2
 build_style=python3-module
 hostmakedepends="python3-setuptools"
 makedepends="python3-devel"
@@ -15,6 +15,8 @@ distfiles="${PYPI_SITE}/C/Cython/Cython-${version}.tar.gz"
 checksum=9594818dca8bb22ae6580c5222da2bc5cc32334350bd2d294a00d8669bcc61b5
 # Tests are flaky
 make_check=no
+conflicts="python3-Cython0.29>=0"
+replaces="python3-Cython0.29>=0"
 
 alternatives="
  cython:cygdb:/usr/bin/cygdb3