diff --git a/pkgs/by-name/tm/tmuxp/package.nix b/pkgs/by-name/tm/tmuxp/package.nix
index 6964cb5ace4e..07d32d620870 100644
--- a/pkgs/by-name/tm/tmuxp/package.nix
+++ b/pkgs/by-name/tm/tmuxp/package.nix
@@ -1,25 +1,28 @@
-{ lib, python3Packages, fetchPypi, installShellFiles }:
+{
+  lib,
+  fetchPypi,
+  installShellFiles,
+  python3Packages,
+}:
 
-let
+python3Packages.buildPythonApplication rec {
   pname = "tmuxp";
-  version = "1.47.0";
-  hash = "sha256-HYY6CEUPpZVvVK9kV4Ehw4wGk5YfIVSkZ0+qqf6Nz4c=";
-in
-python3Packages.buildPythonApplication {
-  inherit pname version;
+  version = "1.49.0";
   pyproject = true;
 
   src = fetchPypi {
-    inherit pname version hash;
+    inherit pname version;
+    hash = "sha256-Fip2HnwIa03khiYlL5FkhVo84oS0OSD9f79bEFLBoNc=";
   };
 
-  nativeBuildInputs = [
-    python3Packages.poetry-core
-    python3Packages.shtab
-    installShellFiles
+  build-system = with python3Packages; [
+    hatchling
+    shtab
   ];
 
-  propagatedBuildInputs = with python3Packages; [
+  nativeBuildInputs = [ installShellFiles ];
+
+  dependencies = with python3Packages; [
     colorama
     libtmux
     pyyaml
diff --git a/pkgs/development/python-modules/libtmux/default.nix b/pkgs/development/python-modules/libtmux/default.nix
index 917b20ef077f..24e7e7572806 100644
--- a/pkgs/development/python-modules/libtmux/default.nix
+++ b/pkgs/development/python-modules/libtmux/default.nix
@@ -3,8 +3,8 @@
   stdenv,
   buildPythonPackage,
   fetchFromGitHub,
+  hatchling,
   ncurses,
-  poetry-core,
   procps,
   pytest-rerunfailures,
   pytestCheckHook,
@@ -13,14 +13,14 @@
 
 buildPythonPackage rec {
   pname = "libtmux";
-  version = "0.37.0";
+  version = "0.39.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "tmux-python";
     repo = "libtmux";
     rev = "refs/tags/v${version}";
-    hash = "sha256-I0E6zkfQ6mx2svCaXEgKPhrrog3iLgXZ4E3CMMxPkIA=";
+    hash = "sha256-JqOxJD34DL5Iku3Ov8JzwSVThqDg41PQ/v1Dz6ex4ro=";
   };
 
   postPatch = ''
@@ -28,7 +28,7 @@ buildPythonPackage rec {
       --replace-fail '"--doctest-docutils-modules",' ""
   '';
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   nativeCheckInputs = [
     procps