diff --git a/pkgs/development/python-modules/pilkit/default.nix b/pkgs/development/python-modules/pilkit/default.nix
index 843f9dfdf241..1b17e2411536 100644
--- a/pkgs/development/python-modules/pilkit/default.nix
+++ b/pkgs/development/python-modules/pilkit/default.nix
@@ -33,6 +33,8 @@ buildPythonPackage rec {
   postPatch = ''
     substituteInPlace tox.ini \
       --replace " --cov --cov-report term-missing:skip-covered" ""
+    substituteInPlace pilkit/processors/resize.py \
+      --replace "Image.ANTIALIAS" "Image.Resampling.LANCZOS"
   '';
 
   pythonImportsCheck = [