diff --git a/shared/users.nix b/shared/users.nix
index 48cb021..8f32a3e 100644
--- a/shared/users.nix
+++ b/shared/users.nix
@@ -1,4 +1,4 @@
-{ lib, config, ... }:
+{ pkgs, lib, config, ... }:
 
 with lib;
 
@@ -43,6 +43,15 @@ in
   security.pam.services."sshd".makeHomeDir = true;
   security.pam.services."systemd-user".makeHomeDir = true;
 
+  security.pam.loginLimits = [
+    {
+      domain = "@cluster";
+      item = "memlock";
+      type = "-";
+      value = "unlimited";
+    }
+  ];
+
   sops.secrets."ldap/login/password" = {
     owner = "nslcd";
     sopsFile = ./secrets.yaml;