diff --git a/pkgs/development/python-modules/growattserver/default.nix b/pkgs/development/python-modules/growattserver/default.nix
index a10b1d709a2e..7a7855d291b4 100644
--- a/pkgs/development/python-modules/growattserver/default.nix
+++ b/pkgs/development/python-modules/growattserver/default.nix
@@ -7,7 +7,7 @@
 
 buildPythonPackage rec {
   pname = "growattserver";
-  version = "1.2.2";
+  version = "1.2.3";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -15,8 +15,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "indykoning";
     repo = "PyPi_GrowattServer";
-    rev = version;
-    hash = "sha256-dS5Ng89aYzfegdFlyt1eo7vhva2ME77pQV2hkd/iNq8=";
+    rev = "refs/tags/${version}";
+    hash = "sha256-79/siHqwY3TNFIxodR24TJwsrKapG1GP4u4fIKxdFI4=";
   };
 
   propagatedBuildInputs = [