diff --git a/nixos/modules/services/continuous-integration/jenkins/default.nix b/nixos/modules/services/continuous-integration/jenkins/default.nix
index 2fe53e173f4f..8b44dfb83335 100644
--- a/nixos/modules/services/continuous-integration/jenkins/default.nix
+++ b/nixos/modules/services/continuous-integration/jenkins/default.nix
@@ -265,6 +265,7 @@ in
         PrivateDevices = true;
         PrivateMounts = true;
         PrivateTmp = true;
+        PrivateUsers = true;
         ProtectClock = true;
         ProtectControlGroups = "strict";
         ProtectHome = true;