diff --git a/pf9-express b/pf9-express
index 10360231..ed49f667 100755
--- a/pf9-express
+++ b/pf9-express
@@ -351,7 +351,7 @@ install_oscli() {
     mkvirtualenv os_cli > ${log} 2>&1
 
     echo "--> Upgrading PIP"
-    pip install pip --upgrade > ${log} 2>&1
+    pip install pip==20.3.4 --upgrade > ${log} 2>&1
 
     echo "--> Installing OpenStack CLI"
     pip install --upgrade --requirement \
@@ -390,12 +390,22 @@ install_prereqs() {
     done
 
     ## upgrade pip
-    sudo pip install --upgrade pip > ${log} 2>&1
+    sudo pip install --upgrade pip==20.3.4 > ${log} 2>&1
     if [ $? -ne 0 ]; then
       echo -e "\nERROR: failed to upgrade pip - here's the last 10 lines of the log:\n"
       tail -10 ${log}; exit 1
     fi
 
+    # Install pbr
+    for pkg in 'pbr==5.6.0'; do
+      echo -n "${pkg} "
+      sudo pip install ${pkg} --ignore-installed > ${log} 2>&1
+      if [ $? -ne 0 ]; then
+        echo -e "\nERROR: failed to install ${pkg} - here's the last 10 lines of the log:\n"
+        tail -10 ${log}; exit 1
+      fi
+    done
+
     ## install additional pip-based packages
     for pkg in 'openstacksdk==0.39.0' docker-py; do
       echo -n "${pkg} "
diff --git a/roles/glance-host/tasks/main.yml b/roles/glance-host/tasks/main.yml
index efaef2a9..8b892768 100644
--- a/roles/glance-host/tasks/main.yml
+++ b/roles/glance-host/tasks/main.yml
@@ -1,4 +1,11 @@
 ---
+# CentOS
+- block:
+  - name: install the latest version ca-certificates
+    yum:
+      name: ca-certificates
+      state: latest
+  when: ansible_distribution == "CentOS"
 
 - name: Create Glance image library path
   file:
diff --git a/roles/neutron-prerequisites/tasks/redhat.yml b/roles/neutron-prerequisites/tasks/redhat.yml
index 2f0ad42f..d6c7f74a 100644
--- a/roles/neutron-prerequisites/tasks/redhat.yml
+++ b/roles/neutron-prerequisites/tasks/redhat.yml
@@ -52,7 +52,7 @@
 
 - name: Add Platform9 Yum repository
   yum:
-    name: https://s3-us-west-1.amazonaws.com/platform9-neutron/noarch/platform9-neutron-repo.noarch.rpm
+    name: https://s3-us-west-1.amazonaws.com/platform9-neutron/noarch/platform9-neutron-repo-1-0.noarch.rpm
     state: present
     update_cache: yes
 
diff --git a/roles/qemu-kvm-ev/tasks/main.yml b/roles/qemu-kvm-ev/tasks/main.yml
index f4d1a07b..29740ce2 100644
--- a/roles/qemu-kvm-ev/tasks/main.yml
+++ b/roles/qemu-kvm-ev/tasks/main.yml
@@ -5,6 +5,11 @@
     copy:
       dest: /etc/yum/vars/contentdir
       content: 'centos'
+ 
+  - name: install the epel-release repo
+    yum:
+      name: epel-release
+      state: latest
 
   - name: install the centos-release-qemu-ev repo
     yum: