diff --git a/.gitmodules b/.gitmodules
index eff02b4c20f..e0454bacd97 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,7 +1,7 @@
 [submodule "external/nextcloud-server"]
 	path = external/nextcloud-server
 	url = https://github.com/nextcloud/server.git
-	branch = v33.0.2
+	branch = v33.0.6
 [submodule "external/nextcloud-notifications"]
 	path = external/nextcloud-notifications
 	url = https://github.com/nextcloud/notifications.git
diff --git a/external/nextcloud-server b/external/nextcloud-server
index aa80d306e3f..1a9581f8f91 160000
--- a/external/nextcloud-server
+++ b/external/nextcloud-server
@@ -1 +1 @@
-Subproject commit aa80d306e3facc263182f103c8d8c399aa2710b7
+Subproject commit 1a9581f8f91a2135ea9ff6e38cb718e7021d966a