diff --git a/hack/lib/etcd.sh b/hack/lib/etcd.sh
index 985462af1c1..04d67f8a543 100755
--- a/hack/lib/etcd.sh
+++ b/hack/lib/etcd.sh
@@ -16,7 +16,7 @@
 
 # A set of helpers for starting/running etcd for tests
 
-ETCD_VERSION=${ETCD_VERSION:-3.5.8}
+ETCD_VERSION=${ETCD_VERSION:-3.5.9}
 ETCD_HOST=${ETCD_HOST:-127.0.0.1}
 ETCD_PORT=${ETCD_PORT:-2379}
 # This is intentionally not called ETCD_LOG_LEVEL: