diff --git a/pkgs/by-name/pa/pam_ldap/package.nix b/pkgs/by-name/pa/pam_ldap/package.nix
index 7da79331c360..78238155c7ae 100644
--- a/pkgs/by-name/pa/pam_ldap/package.nix
+++ b/pkgs/by-name/pa/pam_ldap/package.nix
@@ -5,6 +5,7 @@
   pam,
   openldap,
   perl,
+  unstableGitUpdater,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -33,6 +34,8 @@ stdenv.mkDerivation (finalAttrs: {
     openldap
   ];
 
+  passthru.updateScript = unstableGitUpdater { };
+
   meta = {
     homepage = "https://www.padl.com/OSS/pam_ldap.html";
     description = "LDAP backend for PAM";