diff --git a/test-requirements.txt b/test-requirements.txt
index 931568b3..fddda4a5 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,6 +4,7 @@ bashate>=0.2 # Apache-2.0
 coverage>=3.6
 discover
 fixtures>=1.3.1
+pycrypto>=2.6  # Public Domain
 python-subunit>=0.0.18  # Apache-2.0/BSD
 python-swiftclient>=2.7.0  # Apache-2.0
 sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3  # BSD