diff --git a/pkgs/development/python-modules/idasen/default.nix b/pkgs/development/python-modules/idasen/default.nix
index 56523d538d5d..e4792be41690 100644
--- a/pkgs/development/python-modules/idasen/default.nix
+++ b/pkgs/development/python-modules/idasen/default.nix
@@ -2,6 +2,7 @@
 , buildPythonPackage
 , pythonOlder
 , fetchFromGitHub
+, fetchpatch
 , bleak
 , pyyaml
 , voluptuous
@@ -24,6 +25,14 @@ buildPythonPackage rec {
     hash = "sha256-t8w4USDzyS0k5yk0XtQF8fVffzdf+udKSkdveMlseHk=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "replace-poetry-with-poetry-core.patch";
+      url = "https://github.com/newAM/idasen/commit/b9351d5c9def0687e4ae4cb65f38d14ed9ff2df5.patch";
+      hash = "sha256-Qi3psPZExJ5tBJ4IIvDC3JnWf4Gym6Z7akGCV8GZUNY=";
+    })
+  ];
+
   nativeBuildInputs = [
     poetry-core
   ];