diff --git a/ansible/roles/authelia-for-hedgedoc/templates/authelia-client-conf.json.j2 b/ansible/roles/authelia-for-hedgedoc/templates/authelia-client-conf.json.j2
index 10ad3cb..2b9a311 100644
--- a/ansible/roles/authelia-for-hedgedoc/templates/authelia-client-conf.json.j2
+++ b/ansible/roles/authelia-for-hedgedoc/templates/authelia-client-conf.json.j2
@@ -13,6 +13,7 @@
 		"{{var_authelia_for_hedgedoc_hedgedoc_url_base}}/auth/oauth2/callback"
 	],
 	"grant_types": [
+		"refresh_token",
 		"authorization_code"
 	],
 	"response_types": [