diff --git a/.abf.yml b/.abf.yml
index 406c0fc..e7ca0a1 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,2 @@
 sources:
-  cython-3.0.4.tar.gz: abf732e561637585845ca32099e5c11cce08f636
+  cython-0.29.36.tar.gz: 5b7a3e929edb741b670f318475318c3242b28e62
diff --git a/python-cython.spec b/python-cython.spec
index d190cd0..2850351 100644
--- a/python-cython.spec
+++ b/python-cython.spec
@@ -10,7 +10,7 @@
 
 Summary:	Language for writing C extensions to Python
 Name:		python-cython
-Version:	3.0.4
+Version:	0.29.36
 Release:	1
 License:	Python
 Group:		Development/Python