diff --git a/Authors b/Authors
index c7b1e894fb33..bb66b031a181 100644
--- a/Authors
+++ b/Authors
@@ -155,6 +155,6 @@ Youcef Laribi <Youcef.Laribi@eu.citrix.com>
 Yun Mao <yunmao@gmail.com>
 Yun Shen <Yun.Shen@hp.com>
 Yuriy Taraday <yorik.sar@gmail.com>
+Zed Shaw <zedshaw@zedshaw.com>
 Zhixue Wu <Zhixue.Wu@citrix.com>
 Zhongyue Luo <lzyeval@gmail.com>
-Zed Shaw <zedshaw@zedshaw.com>
diff --git a/tools/pip-requires b/tools/pip-requires
index c1c737c66977..64fde5cffca9 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -17,7 +17,7 @@ routes==1.12.3
 WebOb==1.0.8
 wsgiref==0.1.2
 mox==0.5.3
-greenlet==0.3.1
+greenlet>=0.3.1
 nose
 PasteDeploy==1.5.0
 paste