diff --git a/services/mattermost.nix b/services/mattermost.nix
index 4045812..a8e4b82 100644
--- a/services/mattermost.nix
+++ b/services/mattermost.nix
@@ -78,6 +78,7 @@ in {
           TeamSettings = {
             EnableTeamCreation = true;
             EnableUserCreation = true;
+            MaxUsersPerTeam = 250;
             EnableOpenServer = false;
             EnableUserDeactivation = true;
             ExperimentalViewArchivedChannels = true;