diff --git a/lower-constraints.txt b/lower-constraints.txt
index 94c6e99..aca33e3 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -17,10 +17,10 @@ hacking==3.0.0
 imagesize==0.7.1
 iso8601==0.1.11
 Jinja2==2.10
-keystoneauth1==3.4.0
-libvirt-python==3.7.0
+keystoneauth1==3.14.0
+libvirt-python==6.0.0
 linecache2==1.0.0
-MarkupSafe==1.0
+MarkupSafe==1.1.1
 mccabe==0.2.1
 mox3==0.20.0
 openstackdocstheme==2.2.1
@@ -32,15 +32,15 @@ prettytable==0.7.2
 pycodestyle==2.5.0
 pycrypto==2.6.1
 pyflakes==0.8.1
-pyghmi==1.0.22
+pyghmi==1.2.0
 Pygments==2.2.0
 pyparsing==2.1.0
 pyperclip==1.5.27
 python-mimeparse==1.6.0
 python-subunit==1.0.0
 pytz==2013.6
-PyYAML==3.12
-pyzmq===14.3.1
+PyYAML==3.13
+pyzmq===19.0.0
 reno==3.1.0
 requests==2.14.2
 requestsexceptions==1.2.0
diff --git a/requirements.txt b/requirements.txt
index 0ec64bb..60d2d4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
-libvirt-python!=4.1.0,>=3.7.0 # LGPLv2+
-pyghmi>=1.0.22 # Apache-2.0
+libvirt-python>=6.0.0 # LGPLv2+
+pyghmi>=1.2.0 # Apache-2.0
 cliff!=2.9.0,>=2.8.0 # Apache-2.0
-pyzmq>=14.3.1  # LGPL+BSD
+pyzmq>=19.0.0  # LGPL+BSD