diff --git a/pkgs/development/python-modules/pymodbus/default.nix b/pkgs/development/python-modules/pymodbus/default.nix
index a776ccd96aa9..ed8b828215ca 100644
--- a/pkgs/development/python-modules/pymodbus/default.nix
+++ b/pkgs/development/python-modules/pymodbus/default.nix
@@ -21,14 +21,14 @@
 
 buildPythonPackage rec {
   pname = "pymodbus";
-  version = "3.9.1";
+  version = "3.9.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pymodbus-dev";
     repo = "pymodbus";
     tag = "v${version}";
-    hash = "sha256-O64r8/3AGZYr449FANo3wQCUiIJkIjN5eQ+VoTrvUHo=";
+    hash = "sha256-nzaIE8ZBIwo6ZChYBzQzMndCM/hOwCVKepkUACn8e80=";
   };
 
   build-system = [ setuptools ];