diff --git a/pkgs/development/python-modules/serialx/default.nix b/pkgs/development/python-modules/serialx/default.nix
index 6979a8587c49..31562a21761a 100644
--- a/pkgs/development/python-modules/serialx/default.nix
+++ b/pkgs/development/python-modules/serialx/default.nix
@@ -20,14 +20,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "serialx";
-  version = "1.8.2";
+  version = "1.9.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "puddly";
     repo = "serialx";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-/Bx8TnO3h+Pk/Tg5YSYO96cK5PfJVwqRG0qdLJntNpQ=";
+    hash = "sha256-C1cE8CWDruGEgGR6FxMnxJRVZ9j0kWy9DekBOJ1ygU0=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {