diff --git a/requirements.txt b/requirements.txt
index 27bcc5773ff..6d0dc8cdeaa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ greenlet>=0.3.2 # MIT
 httplib2>=0.7.5 # MIT
 iso8601>=0.1.11 # MIT
 ipaddress>=1.0.7;python_version<'3.3' # PSF
-keystoneauth1>=2.16.0 # Apache-2.0
+keystoneauth1>=2.17.0 # Apache-2.0
 keystonemiddleware>=4.12.0 # Apache-2.0
 lxml!=3.7.0,>=2.3 # BSD
 oauth2client!=4.0.0,>=1.5.0 # Apache-2.0
@@ -59,6 +59,6 @@ oslo.i18n>=2.1.0 # Apache-2.0
 oslo.vmware>=2.15.0 # Apache-2.0
 os-brick>=1.8.0 # Apache-2.0
 os-win>=1.3.0 # Apache-2.0
-tooz>=1.28.0 # Apache-2.0
+tooz>=1.47.0 # Apache-2.0
 google-api-python-client>=1.4.2 # Apache-2.0
 castellan>=0.4.0 # Apache-2.0