diff --git a/pkgs/development/python-modules/cantools/default.nix b/pkgs/development/python-modules/cantools/default.nix
index af203e8a9470..ffa4dbbed010 100644
--- a/pkgs/development/python-modules/cantools/default.nix
+++ b/pkgs/development/python-modules/cantools/default.nix
@@ -18,14 +18,14 @@
 
 buildPythonPackage rec {
   pname = "cantools";
-  version = "39.4.11";
+  version = "39.4.13";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-C3vYiiNrst39faXdcTBY6Xt0kYXp0SV0E7J71M/n2Co=";
+    hash = "sha256-rYT7Vh9asgzNKkW3/LKQkwCPbImByfY28tlGE+03w9E=";
   };
 
   nativeBuildInputs = [