diff --git a/pkgs/development/lisp-modules/import/hydra.lisp b/pkgs/development/lisp-modules/import/hydra.lisp
index 965b29967a39..8664ffadc08c 100644
--- a/pkgs/development/lisp-modules/import/hydra.lisp
+++ b/pkgs/development/lisp-modules/import/hydra.lisp
@@ -174,6 +174,7 @@
    "clx-truetype"
    "collectors"
    "colorize"
+   "com.inuoe.jzon"
    "command-line-arguments"
    "css-lite"
    "css-selectors"
diff --git a/pkgs/development/lisp-modules/packages.nix b/pkgs/development/lisp-modules/packages.nix
index c93a99e07a79..90caed15cb69 100644
--- a/pkgs/development/lisp-modules/packages.nix
+++ b/pkgs/development/lisp-modules/packages.nix
@@ -108,18 +108,7 @@ let
     ];
   };
 
-  jzon = build-asdf-system {
-    src = pkgs.fetchzip {
-      url = "https://github.com/Zulu-Inuoe/jzon/archive/6b201d4208ac3f9721c461105b282c94139bed29.tar.gz";
-      sha256 = "01d4a78pjb1amx5amdb966qwwk9vblysm1li94n3g26mxy5zc2k3";
-    };
-    version = "0.0.0-20210905-6b201d4208";
-    pname = "jzon";
-    lispLibs = [
-      super.closer-mop
-    ];
-    systems = [ "com.inuoe.jzon" ];
-  };
+  jzon = super.com_dot_inuoe_dot_jzon;
 
   cl-notify = build-asdf-system {
     pname = "cl-notify";