diff --git a/requirements.txt b/requirements.txt
index 29e44cd5448959ffc1ae710911e6745f6048c067..634ed5c9f27e670734d9d0c25a6b5ce7eeb0797a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 islpy>=2013.1
 cgen
-git://github.com/inducer/pyopencl
-git://github.com/inducer/pymbolic
+git+git://github.com/inducer/pyopencl
+git+git://github.com/inducer/pymbolic