diff --git a/pkgs/development/python-modules/certbot/default.nix b/pkgs/development/python-modules/certbot/default.nix
index ea1873e2c589..60f8887a3ad3 100644
--- a/pkgs/development/python-modules/certbot/default.nix
+++ b/pkgs/development/python-modules/certbot/default.nix
@@ -35,9 +35,9 @@ buildPythonPackage rec {
 
   sourceRoot = "${src.name}/${pname}";
 
-  nativeBuildInputs = [ setuptools ];
+  build-system = [ setuptools ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     configargparse
     acme
     configobj
@@ -61,7 +61,11 @@ buildPythonPackage rec {
     pytest-xdist
   ];
 
-  pytestFlagsArray = [ "-o cache_dir=$(mktemp -d)" ];
+  pytestFlagsArray = [
+    "-o cache_dir=$(mktemp -d)"
+    "-W"
+    "ignore::DeprecationWarning"
+  ];
 
   makeWrapperArgs = [ "--prefix PATH : ${dialog}/bin" ];