diff --git a/requirements.txt b/requirements.txt
index b833d6dd0d989ad3b88aedb3d09cf21766536613..2bdcc86852a21ec138f4143de3a904efb8e621d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ numpy
 git+git://github.com/inducer/pytools
 git+git://github.com/inducer/islpy
 cgen
-git+git://github.com/pyopencl/pyopencl
+git+git://github.com/pyopencl/pyopencl@cffi
 git+git://github.com/inducer/pymbolic
 
 hg+https://bitbucket.org/inducer/f2py