diff --git a/src/whitelist/sites.conf b/src/whitelist/sites.conf
index 56df5a5..1eaa6ad 100644
--- a/src/whitelist/sites.conf
+++ b/src/whitelist/sites.conf
@@ -10,6 +10,11 @@
 # Read more https://domcloud.co/docs/features/security#outbound-connection
 #
 #
+# Yum repository
+download.copr.fedorainfracloud.org
+ftp.redhat.com
+mirror.centos.org
+mirrors.fedoraproject.org
 # GitHub
 github.com
 api.github.com
@@ -58,6 +63,7 @@ dotnet.microsoft.com
 dotnetcli.azureedge.net
 # Docker
 docker.io
+download.docker.com
 registry.docker.io
 registry-1.docker.io
 # WordPress