diff --git a/pkgs/development/python-modules/victron-mqtt/default.nix b/pkgs/development/python-modules/victron-mqtt/default.nix
index b6aaae1f7513..2474e31e11ae 100644
--- a/pkgs/development/python-modules/victron-mqtt/default.nix
+++ b/pkgs/development/python-modules/victron-mqtt/default.nix
@@ -12,14 +12,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "victron-mqtt";
-  version = "2026.4.1";
+  version = "2026.4.9";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "tomer-w";
     repo = "victron_mqtt";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-EJVzbOgf0BT9qIDite3JhNmK1uU3zrXgJWW8KhZh0bk=";
+    hash = "sha256-Lq3I5xZCu3UrllW0cHLo7wlKnDOl73TDRN97gThvP1M=";
   };
 
   build-system = [