diff --git a/roles/lego/defaults/main.yml b/roles/lego/defaults/main.yml
index e6e637c..4c02459 100644
--- a/roles/lego/defaults/main.yml
+++ b/roles/lego/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 lego_user: "lego"
-lego_version: "4.16.1"
+lego_version: "4.17.4"
 lego_instance: default
 lego_base_path: "/opt/lego"
 lego_cert_user: "acme-{{ lego_instance }}"