1 files changed, 6 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/servers/klipper/default.nix b/nixpkgs/pkgs/servers/klipper/default.nix
index 9c44dabe3df9..23b44be0316a 100644
--- a/nixpkgs/pkgs/servers/klipper/default.nix
+++ b/nixpkgs/pkgs/servers/klipper/default.nix
@@ -2,16 +2,17 @@
 , lib
 , fetchFromGitHub
 , python2
+, unstableGitUpdater
 }:
 stdenv.mkDerivation rec {
   name = "klipper";
-  version = "0.9.1";
+  version = "unstable-2021-01-31";
 
   src = fetchFromGitHub {
     owner = "KevinOConnor";
     repo = "klipper";
-    rev = "v${version}";
-    sha256 = "1wgklngsz6xxl25qxi9fkqhbyhwy61iyyk76ycq68b3miayrkgpj";
+    rev = "ef4d9c3abd30ae8a485020fd9ff2fb4529a143b3";
+    sha256 = "puAkSGL0DD0JUWejPdzr7zKIW2UP2soBBtgm2msUKzA=";
   };
 
   sourceRoot = "source/klippy";
@@ -39,6 +40,8 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.updateScript = unstableGitUpdater { url = meta.homepage; };
+
   meta = with lib; {
     description = "The Klipper 3D printer firmware";
     homepage = "https://github.com/KevinOConnor/klipper";