diff --git a/pkgs/development/python-modules/fnllm/default.nix b/pkgs/development/python-modules/fnllm/default.nix
index d3368493a984..7cd6a90da670 100644
--- a/pkgs/development/python-modules/fnllm/default.nix
+++ b/pkgs/development/python-modules/fnllm/default.nix
@@ -17,6 +17,7 @@
   pythonOlder,
   tenacity,
   tiktoken,
+  uv-dynamic-versioning,
 }:
 
 buildPythonPackage rec {
@@ -31,7 +32,10 @@ buildPythonPackage rec {
     hash = "sha256-q7aeFXuXIrwjjXEHVpACohWommIxJZo9PRUgh4uLtfA=";
   };
 
-  build-system = [ hatchling ];
+  build-system = [
+    hatchling
+    uv-dynamic-versioning
+  ];
 
   dependencies = [
     aiolimiter