diff --git a/pkgs/arxiv-mcp-server/default.nix b/pkgs/arxiv-mcp-server/default.nix
index fdad4db..624b667 100644
--- a/pkgs/arxiv-mcp-server/default.nix
+++ b/pkgs/arxiv-mcp-server/default.nix
@@ -12,7 +12,7 @@ python3.pkgs.buildPythonApplication rec {
   src = fetchPypi {
     pname = "arxiv_mcp_server";
     inherit version;
-    hash = "sha256-khY63SfUKgNjyACNESEQpY9q3uJSlLhuJBEaBKGmZy8=";
+    hash = "sha256-vxrKyq+uOgVYtWrvikcIidLra6n0GFlFvfKztrc7GH8=";
   };
 
   build-system = [