diff --git a/variables_defaults.tf b/variables_defaults.tf
index 235a07f..0612ebd 100644
--- a/variables_defaults.tf
+++ b/variables_defaults.tf
@@ -2,7 +2,7 @@ locals {
   containers = merge({
     etcd = {
       repo = "quay.io/coreos/etcd"
-      tag  = "v3.5.9"
+      tag  = "v3.5.15"
     },
     etcd_metrics_proxy = {
       repo = "quay.io/amis/etcd-metrics-proxy"