diff --git a/pkgs/development/python-modules/opentelemetry-instrumentation-flask/default.nix b/pkgs/development/python-modules/opentelemetry-instrumentation-flask/default.nix
index 71860dd8fd74..0e1daa3f3a91 100644
--- a/pkgs/development/python-modules/opentelemetry-instrumentation-flask/default.nix
+++ b/pkgs/development/python-modules/opentelemetry-instrumentation-flask/default.nix
@@ -7,6 +7,7 @@
 , opentelemetry-semantic-conventions
 , opentelemetry-test-utils
 , opentelemetry-util-http
+, packaging
 , pytestCheckHook
 , pythonOlder
 }:
@@ -14,21 +15,22 @@
 buildPythonPackage {
   inherit (opentelemetry-instrumentation) version src;
   pname = "opentelemetry-instrumentation-flask";
-  disabled = pythonOlder "3.7";
+  pyproject = true;
+
+  disabled = pythonOlder "3.8";
 
   sourceRoot = "${opentelemetry-instrumentation.src.name}/instrumentation/opentelemetry-instrumentation-flask";
 
-  format = "pyproject";
+  build-system = [ hatchling ];
 
-  nativeBuildInputs = [ hatchling ];
-
-  propagatedBuildInputs = [
+  dependencies = [
     flask
     opentelemetry-api
     opentelemetry-instrumentation
     opentelemetry-instrumentation-wsgi
     opentelemetry-semantic-conventions
     opentelemetry-util-http
+    packaging
   ];
 
   nativeCheckInputs = [