diff --git a/.gitmodules b/.gitmodules
index 9c805c9..97ea2ba 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -25,9 +25,6 @@
 [submodule "mosquitto/charts"]
 	path = mosquitto/charts
 	url = https://github.com/smizy/charts.git
-[submodule "external-storage"]
-	path = external-storage
-	url = https://github.com/kubernetes-incubator/external-storage.git
 [submodule "mosquitto-exporter"]
 	path = mosquitto-exporter
 	url = https://github.com/sapcc/mosquitto-exporter.git
@@ -52,3 +49,6 @@
 [submodule "_sys/haproxy-ingress"]
 	path = _sys/haproxy-ingress
 	url = https://github.com/haproxytech/kubernetes-ingress.git
+[submodule "nfs-subdir-external-provisioner"]
+	path = nfs-subdir-external-provisioner
+	url = https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner.git