diff --git a/Staging-server-setup.md b/Staging-server-setup.md
index 0d880bd..6a2205c 100644
--- a/Staging-server-setup.md
+++ b/Staging-server-setup.md
@@ -22,4 +22,10 @@ networks:
      ipam:
        config:
          - subnet: 2001:db8::/64
+```
+- Edit traefik container to hard-code IPv6 addresses for ACME:
+```
+ extra_hosts:
+      - "acme-staging-v02.api.letsencrypt.org:2606:4700:60:0:f41b:d4fe:4325:6026"
+      - "acme-v02.api.letsencrypt.org:2606:4700:60:0:f53d:5624:85c7:3a2c"
 ```
\ No newline at end of file