diff --git a/requirements/requirements.in b/requirements/requirements.in
index 1cbecb4779..e531173499 100644
--- a/requirements/requirements.in
+++ b/requirements/requirements.in
@@ -33,6 +33,7 @@ ordereddict==1.1
 pexpect==4.2.1
 psphere==0.5.2
 psutil==5.2.2
+pycrypto==2.6.1
 pygerduty==0.35.2
 pyOpenSSL==17.0.0
 pyparsing==2.2.0
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 865542d7f0..fbd0b0b6b6 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -131,6 +131,7 @@ ptyprocess==0.5.1         # via pexpect
 pyasn1-modules==0.0.9     # via service-identity
 pyasn1==0.2.3             # via pyasn1-modules, service-identity
 pycparser==2.17           # via cffi
+pycrypto==2.6.1
 pygerduty==0.35.2
 pyjwt==1.5.0              # via adal, python-social-auth, twilio
 pyopenssl==17.0.0         # via pyvmomi, service-identity, twilio