diff --git a/pkgs/development/python-modules/pontos/default.nix b/pkgs/development/python-modules/pontos/default.nix
index e189e1ee7078..2a81d2d4b8b1 100644
--- a/pkgs/development/python-modules/pontos/default.nix
+++ b/pkgs/development/python-modules/pontos/default.nix
@@ -14,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "pontos";
-  version = "22.8.1";
+  version = "22.9.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -22,8 +22,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "greenbone";
     repo = pname;
-    rev = "v${version}";
-    hash = "sha256-oWk6t7PocF7go7EE7nQjHA78G0Q1tAOXBff2zKXDvgU=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-7VVFWG/KRWD8Ez3yeCJJHRBwvgpSMDXI9IS8ZMr2u5M=";
   };
 
   nativeBuildInputs = [