diff --git a/defaults/main.yaml b/defaults/main.yaml
index 5420862..2f5c925 100644
--- a/defaults/main.yaml
+++ b/defaults/main.yaml
@@ -1,3 +1,4 @@
+traefik_cert_resolver: step-ca
 traefik_certs: []
 traefik_config: {}
 traefik_network: traefik_net