diff --git a/pkgs/development/python-modules/ttn-client/default.nix b/pkgs/development/python-modules/ttn-client/default.nix
index b2d3e35875a8..8c875737a62b 100644
--- a/pkgs/development/python-modules/ttn-client/default.nix
+++ b/pkgs/development/python-modules/ttn-client/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "ttn-client";
-  version = "0.0.4";
+  version = "1.0.0";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     owner = "angelnu";
     repo = "thethingsnetwork_python_client";
     rev = "refs/tags/v${version}";
-    hash = "sha256-ZLSMxFyzfPtz51fsY2wgucHzcAnSrL7VPOuW7DXTNbQ=";
+    hash = "sha256-AVEPOsEV/oJ5qM0w18dokH2R6zr1kvvJ1diR7GWqJwg=";
   };
 
   nativeBuildInputs = [ hatchling ];