diff --git a/internal-sto3-test-cs-1.cdn.sunet.se/overlay/etc/hiera/data/local.yaml b/internal-sto3-test-cs-1.cdn.sunet.se/overlay/etc/hiera/data/local.yaml
index 22a4fce..a2f9905 100644
--- a/internal-sto3-test-cs-1.cdn.sunet.se/overlay/etc/hiera/data/local.yaml
+++ b/internal-sto3-test-cs-1.cdn.sunet.se/overlay/etc/hiera/data/local.yaml
@@ -19,3 +19,4 @@ certbot_sync_client_ips:
   - 89.45.237.149 # internal-sto3-test-cache-1.cdn.sunet.se
   - 2001:6b0:40::4c6 # internal-sto3-test-cache-1.cdn.sunet.se
   - 192.36.171.94 # internal-sto3-test-cache-2.cdn.sunet.se
+  - 2001:6b0:8:7:526b:8dff:fe80:2fb5 # internal-sto3-test-cache-2.cdn.sunet.se