diff --git a/third_party/lisp/trivial-ldap.nix b/third_party/lisp/trivial-ldap.nix
index c85fe2acc..ead6f1589 100644
--- a/third_party/lisp/trivial-ldap.nix
+++ b/third_party/lisp/trivial-ldap.nix
@@ -1,12 +1,7 @@
 { depot, pkgs, ... }:
 
 let
-  src = pkgs.fetchFromGitHub {
-    owner = "rwiker";
-    repo = "trivial-ldap";
-    rev = "3b8f1ff85f29ea63e6ab2d0d27029d68b046faf8";
-    sha256 = "1zaa4wnk5y5ff211pkg6dl27j4pjwh56hq0246slxsdxv6kvp1z9";
-  };
+  src = pkgs.srcOnly pkgs.sbcl.pkgs.trivial-ldap;
 in
 depot.nix.buildLisp.library {
   name = "trivial-ldap";