diff --git a/pkgs/development/python-modules/camel-converter/default.nix b/pkgs/development/python-modules/camel-converter/default.nix
index 80bd4e14db8b..1dcb1e9049e8 100644
--- a/pkgs/development/python-modules/camel-converter/default.nix
+++ b/pkgs/development/python-modules/camel-converter/default.nix
@@ -2,7 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  poetry-core,
+  hatchling,
   pydantic,
   pytestCheckHook,
   pytest-cov-stub,
@@ -11,19 +11,19 @@
 
 buildPythonPackage rec {
   pname = "camel-converter";
-  version = "3.1.2";
+  version = "4.0.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "sanders41";
     repo = "camel-converter";
     rev = "refs/tags/v${version}";
-    hash = "sha256-CJbflRI3wfUmPoVuLwZDYcobESmySvnS99PdpSDhDLk=";
+    hash = "sha256-JdONlMTBnZ2QMcsr+GXmfQzxaFOndmG77qbBa9A3m+k=";
   };
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   passthru.optional-dependencies = {
     pydantic = [ pydantic ];
@@ -45,7 +45,7 @@ buildPythonPackage rec {
     description = "Client for the Meilisearch API";
     homepage = "https://github.com/sanders41/camel-converter";
     changelog = "https://github.com/sanders41/camel-converter/releases/tag/v${version}";
-    license = with licenses; [ mit ];
+    license = licenses.mit;
     maintainers = with maintainers; [ fab ];
   };
 }