diff --git a/pkgs/development/python-modules/mcpadapt/default.nix b/pkgs/development/python-modules/mcpadapt/default.nix
index 46fef3318315..9fc6a0e2ea92 100644
--- a/pkgs/development/python-modules/mcpadapt/default.nix
+++ b/pkgs/development/python-modules/mcpadapt/default.nix
@@ -16,14 +16,14 @@
 
 buildPythonPackage rec {
   pname = "mcpadapt";
-  version = "0.1.5";
+  version = "0.1.9";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "grll";
     repo = "mcpadapt";
     tag = "v${version}";
-    hash = "sha256-crxruowqZ5/tLH61w+M/862rbwELEnUktFuiZCOEBfw=";
+    hash = "sha256-sczXScP1wDUntAwVEfiGfJe0ghBpqPQH1YaXhFGj97Y=";
   };
 
   build-system = [ hatchling ];