diff --git a/nixos/modules/config/ldap.nix b/nixos/modules/config/ldap.nix
index 5587e5883c9f..b554f197dc4b 100644
--- a/nixos/modules/config/ldap.nix
+++ b/nixos/modules/config/ldap.nix
@@ -280,6 +280,7 @@ in
           Group = "nslcd";
           RuntimeDirectory = [ "nslcd" ];
           PIDFile = "/run/nslcd/nslcd.pid";
+          AmbientCapabilities = "CAP_SYS_RESOURCE";
         };
       };