diff --git a/maintainers/team-list.nix b/maintainers/team-list.nix
index 39c9b7671873..f4a21c95eb00 100644
--- a/maintainers/team-list.nix
+++ b/maintainers/team-list.nix
@@ -56,6 +56,14 @@ with lib.maintainers; {
     scope = "Group registration for D. E. Shaw employees who collectively maintain packages.";
   };
 
+  determinatesystems = {
+    # Verify additions to this team with at least one already existing member of the team.
+    members = [
+      grahamc
+    ];
+    scope = "Group registration for packages maintained by Determinate Systems.";
+  };
+
   freedesktop = {
     members = [ jtojnar worldofpeace ];
     scope = "Maintain Freedesktop.org packages for graphical desktop.";