diff --git a/nixos/tests/docker-tools-overlay.nix b/nixos/tests/docker-tools-overlay.nix
index 98eb7286615..6781388e639 100644
--- a/nixos/tests/docker-tools-overlay.nix
+++ b/nixos/tests/docker-tools-overlay.nix
@@ -4,7 +4,7 @@ import ./make-test-python.nix ({ pkgs, ... }:
 {
   name = "docker-tools-overlay";
   meta = with pkgs.lib.maintainers; {
-    maintainers = [ lnl7 ];
+    maintainers = [ lnl7 roberth ];
   };
 
   nodes = {
diff --git a/nixos/tests/docker-tools.nix b/nixos/tests/docker-tools.nix
index 96662b4540c..39b97b4cb99 100644
--- a/nixos/tests/docker-tools.nix
+++ b/nixos/tests/docker-tools.nix
@@ -3,7 +3,7 @@
 import ./make-test-python.nix ({ pkgs, ... }: {
   name = "docker-tools";
   meta = with pkgs.lib.maintainers; {
-    maintainers = [ lnl7 ];
+    maintainers = [ lnl7 roberth ];
   };
 
   nodes = {