diff --git a/docker/docker-puppet.py b/docker/docker-puppet.py
index 219dbee07a..c58972eabd 100755
--- a/docker/docker-puppet.py
+++ b/docker/docker-puppet.py
@@ -266,7 +266,10 @@ with open(sh_script, 'w') as script_file:
 
         # Exclude read-only mounted directories/files which we do not want
         # to copy or delete.
-        ro_files="/etc/puppetlabs/ /opt/puppetlabs/"
+        ro_files="/etc/puppetlabs/ /opt/puppetlabs/ /etc/pki/ca-trust/extracted "
+        ro_files+="/etc/pki/ca-trust/source/anchors /etc/pki/tls/certs/ca-bundle.crt "
+        ro_files+="/etc/pki/tls/certs/ca-bundle.trust.crt /etc/pki/tls/cert.pem "
+        ro_files+="/etc/hosts /etc/localtime"
         for ro in $ro_files; do
             if [ -e "$ro" ]; then
                 exclude_files+=" --exclude=$ro"