diff --git a/pkgs/development/python-modules/adax/default.nix b/pkgs/development/python-modules/adax/default.nix
index fd2cb0f29f59..19e1e9a6fb02 100644
--- a/pkgs/development/python-modules/adax/default.nix
+++ b/pkgs/development/python-modules/adax/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "adax";
-  version = "0.3.0";
+  version = "0.4.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     owner = "Danielhiversen";
     repo = "pyadax";
     rev = "refs/tags/${version}";
-    hash = "sha256-y4c1RBy/UxmKP7+mHXi86XJ2/RXGrqkj94I2Q699EJU=";
+    hash = "sha256-wmcZtiML02i1XfqpFzni2WDrxutTvP5laVvTAGtNg0Y=";
   };
 
   propagatedBuildInputs = [