diff --git a/openstack/python-troveclient/python-troveclient.spec.j2 b/openstack/python-troveclient/python-troveclient.spec.j2
index ddf814cc8..d4abab864 100644
--- a/openstack/python-troveclient/python-troveclient.spec.j2
+++ b/openstack/python-troveclient/python-troveclient.spec.j2
@@ -16,6 +16,7 @@ BuildRequires:  {{ py2pkg('mock') }}
 BuildRequires:  {{ py2pkg('oslo.utils') }}
 BuildRequires:  {{ py2pkg('oslosphinx') }}
 BuildRequires:  {{ py2pkg('pbr') }}
+BuildRequires:  {{ py2pkg('pycrypto') }}
 BuildRequires:  {{ py2pkg('requests') }}
 BuildRequires:  {{ py2pkg('requests-mock') }}
 BuildRequires:  {{ py2pkg('setuptools') }}