diff --git a/pkgs/development/python-modules/python-bsblan/default.nix b/pkgs/development/python-modules/python-bsblan/default.nix
index dcfed60a8c1e..7a3cc86a2204 100644
--- a/pkgs/development/python-modules/python-bsblan/default.nix
+++ b/pkgs/development/python-modules/python-bsblan/default.nix
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "python-bsblan";
-  version = "0.5.10";
+  version = "0.5.11";
   format = "pyproject";
 
   disabled = pythonOlder "3.9";
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "liudger";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-VOi3v5SPHHx+qgqQmbIcC+APAks9CPklFAlCmHRM1iQ=";
+    hash = "sha256-fTjeJZhKPFi0cxZStegVdq7a48rQ236DnnCGngwZ5GU=";
   };
 
   nativeBuildInputs = [