diff --git a/doc/source/drivers/ilo.rst b/doc/source/drivers/ilo.rst
index 66819c4698..0b2047bc4e 100644
--- a/doc/source/drivers/ilo.rst
+++ b/doc/source/drivers/ilo.rst
@@ -42,9 +42,9 @@ Prerequisites
   which contains set of modules for managing HPE ProLiant hardware.
 
   Install ``proliantutils`` module on the ironic conductor node. Minimum
-  version required is 2.1.5.::
+  version required is 2.1.6.::
 
-   $ pip install "proliantutils>=2.1.5"
+   $ pip install "proliantutils>=2.1.6"
 
 * ``ipmitool`` command must be present on the service node(s) where
   ``ironic-conductor`` is running. On most distros, this is provided as part
diff --git a/driver-requirements.txt b/driver-requirements.txt
index 35e1a07e79..992db7b3f4 100644
--- a/driver-requirements.txt
+++ b/driver-requirements.txt
@@ -4,7 +4,7 @@
 # python projects they should package as optional dependencies for Ironic.
 
 # These are available on pypi
-proliantutils>=2.1.5
+proliantutils>=2.1.6
 pyghmi>=0.8.0
 pysnmp
 python-ironic-inspector-client