diff --git a/pkgs/development/python-modules/niaaml/default.nix b/pkgs/development/python-modules/niaaml/default.nix
index f0f1d6db0d77..33553d8c1121 100644
--- a/pkgs/development/python-modules/niaaml/default.nix
+++ b/pkgs/development/python-modules/niaaml/default.nix
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "niaaml";
-  version = "2.1.0";
+  version = "2.1.1";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -25,7 +25,7 @@ buildPythonPackage rec {
     owner = "firefly-cpp";
     repo = "NiaAML";
     tag = version;
-    hash = "sha256-VMZLEirE01Q9eyQIhV18PepGWmBcxLIwNeuVf7EuSWE=";
+    hash = "sha256-3wr+72j/0HR9gRwxdzP4QyLKFaobkrD4QwTtiAUik0Q=";
   };
 
   pythonRelaxDeps = [