diff --git a/requirements/requirements_ansible.in b/requirements/requirements_ansible.in
index d3fbd871dd..8ac79de2e4 100644
--- a/requirements/requirements_ansible.in
+++ b/requirements/requirements_ansible.in
@@ -50,6 +50,7 @@ pycurl==7.43.0.1    # higher versions will not install without SSL backend speci
 # AWX usage
 pexpect==4.6.0    # same as AWX requirement
 psutil==5.4.3    # same as AWX requirement
+ptyprocess==0.5.2 # via pexpect, but needs to be pinned. Read the blame.
 setuptools==36.0.1
 pip==9.0.1
 # VMware
diff --git a/requirements/requirements_ansible.txt b/requirements/requirements_ansible.txt
index c6f8b313a1..8216a713c3 100644
--- a/requirements/requirements_ansible.txt
+++ b/requirements/requirements_ansible.txt
@@ -88,7 +88,7 @@ paramiko==2.4.2           # via azure-cli-core, ncclient
 pbr==5.2.0                # via keystoneauth1, openstacksdk, os-service-types, stevedore
 pexpect==4.6.0
 psutil==5.4.3
-ptyprocess==0.6.0         # via pexpect
+ptyprocess==0.5.2         # via pexpect
 pyasn1-modules==0.2.5     # via google-auth
 pyasn1==0.4.5             # via paramiko, pyasn1-modules, rsa
 pycparser==2.19           # via cffi