diff --git a/pkgs/development/python-modules/python-bsblan/default.nix b/pkgs/development/python-modules/python-bsblan/default.nix
index b6312d2c0178..42e9abe85c3b 100644
--- a/pkgs/development/python-modules/python-bsblan/default.nix
+++ b/pkgs/development/python-modules/python-bsblan/default.nix
@@ -6,9 +6,10 @@
   backoff,
   buildPythonPackage,
   fetchFromGitHub,
+  mashumaro,
+  orjson,
   packaging,
   poetry-core,
-  mashumaro,
   pytest-asyncio,
   pytest-cov-stub,
   pytest-mock,
@@ -19,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "python-bsblan";
-  version = "0.6.2";
+  version = "0.6.4";
   pyproject = true;
 
   disabled = pythonOlder "3.12";
@@ -28,7 +29,7 @@ buildPythonPackage rec {
     owner = "liudger";
     repo = "python-bsblan";
     rev = "refs/tags/v${version}";
-    hash = "sha256-/rdYCd5eyFqW96XaIzQOhsApzcTkrI46Gt226sLTLUQ=";
+    hash = "sha256-mOVX65YRDUac0GoB9+tHIYtvNDGyxT0BSsj8I3OzuBI=";
   };
 
   postPatch = ''
@@ -43,8 +44,9 @@ buildPythonPackage rec {
     aiohttp
     async-timeout
     backoff
-    packaging
     mashumaro
+    orjson
+    packaging
     yarl
   ];