diff --git a/requirements.txt b/requirements.txt
index 5a5f17baad3017bdf37c98fd7cd1d74d026e1f7a..df54704f8091c6c4b8807c7d7b7b1d09d918cc9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 git+git://github.com/inducer/pytools
 git+git://github.com/inducer/islpy
-cgen
+git+git://github.com/inducer/cgen
 git+git://github.com/pyopencl/pyopencl
 git+git://github.com/inducer/pymbolic