diff --git a/testing/pip-reqs1.txt b/testing/pip-reqs1.txt
index 6ab334b37..d01b37708 100644
--- a/testing/pip-reqs1.txt
+++ b/testing/pip-reqs1.txt
@@ -1,3 +1,3 @@
 docutils
 pexpect
-execnet
+hg+http://bitbucket.org/hpk42/execnet#egg=execnet