diff --git a/pkgs/development/python-modules/dazl/default.nix b/pkgs/development/python-modules/dazl/default.nix
index ee74e5e21878..be4ac05588ff 100644
--- a/pkgs/development/python-modules/dazl/default.nix
+++ b/pkgs/development/python-modules/dazl/default.nix
@@ -16,14 +16,14 @@
 
 buildPythonPackage rec {
   pname = "dazl";
-  version = "8.3.0";
+  version = "8.4.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "digital-asset";
     repo = "dazl-client";
     tag = "v${version}";
-    hash = "sha256-w0jWhOOjOVLKUcfY2zR8dgckp7r/Gko+p3cuO8IIrM4=";
+    hash = "sha256-NJHcjzdtKTUnFideUm4fHof4A16nEFeYIXehR9/Bn1s=";
   };
 
   pythonRelaxDeps = [