diff --git a/docs/gettingstarted/installing/centos.rst b/docs/gettingstarted/installing/centos.rst
index e69bc84..0726852 100644
--- a/docs/gettingstarted/installing/centos.rst
+++ b/docs/gettingstarted/installing/centos.rst
@@ -61,6 +61,7 @@
 
 .. code-block:: console
 
+   $ sudo yum clean all
    $ sudo yum -q makecache -y --disablerepo='*' --enablerepo='fdio_release'
 
 The *'yum install vpp'* command will install the most recent release. To
@@ -109,6 +110,7 @@
 
 .. code-block:: console
 
+   $ sudo yum clean all
    $ sudo yum -q makecache -y --disablerepo='*' --enablerepo='fdio_1810'
 
 The *'yum install vpp'* command will install the most recent build on the
@@ -155,6 +157,7 @@
 
 .. code-block:: console
 
+   $ sudo yum clean all
    $ sudo yum -q makecache -y --disablerepo='*' --enablerepo='fdio_master'
 
 The *'yum install vpp'* command will install the most recent build on the
@@ -163,6 +166,7 @@
 
 .. code-block:: console
 
+   $ sudo yum clean all
    $ sudo yum --showduplicates list vpp* | expand
 
 Install VPP RPMs