diff --git a/packages/preserves-py/default.nix b/packages/preserves-py/default.nix
index c9248f3..2b2c3b3 100644
--- a/packages/preserves-py/default.nix
+++ b/packages/preserves-py/default.nix
@@ -1,26 +1,21 @@
-{ lib, buildPythonPackage, fetchFromGitea, python, setuptools-scm }:
+{ lib, buildPythonPackage, fetchPypi, python, setuptools-scm }:
 
 buildPythonPackage rec {
   pname = "preserves";
-  version = "unstable-2022-03-08";
+  version = "0.17.0";
 
-  src = fetchFromGitea {
-    domain = "git.syndicate-lang.org";
-    owner = "syndicate-lang";
-    repo = pname;
-    rev = "197359ff22fa701d8b497860e8eb84dba209e00e";
-    sha256 = "sha256-1nlyqcNIDGuNzo5/ObjF4YIWbpD8lxgVFXcKM+Dv6PY=";
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-4IWjTAT+Ft9QwCDDuPf/O54l9z3RxYRmjh/xN1UiTxc=";
   };
 
-  sourceRoot = "source/implementations/python";
+  nativeBuildInputs = [ setuptools-scm ];
 
-  buildInputs = [ setuptools-scm ];
-
-  postInstall =
-    "install -t $out/lib/${python.libPrefix}/site-packages/preserves preserves/*.prb ";
+  doCheck = false; # Python problems.
 
   meta = src.meta // {
-    homepage = "https://syndicate-lang.org";
+    description = "Preserves serialization format";
+    homepage = "https://preserves.dev/";
     maintainers = with lib.maintainers; [ ehmry ];
   };
 }