diff --git a/requirements.txt b/requirements.txt
index a4eb71ecb7..a01c4aff94 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,5 @@
 # keystone dependencies
 pbr>=0.6,<1.0
-pam>=0.1.4
 WebOb>=1.2.3
 eventlet>=0.13.0
 greenlet>=0.3.2