diff --git a/pkgs/development/python-modules/hypothesis-auto/default.nix b/pkgs/development/python-modules/hypothesis-auto/default.nix
index 854f104be758..49638e825823 100644
--- a/pkgs/development/python-modules/hypothesis-auto/default.nix
+++ b/pkgs/development/python-modules/hypothesis-auto/default.nix
@@ -1,8 +1,9 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
 , hypothesis
-, poetry
+, poetry-core
 , pydantic
 , pytest
 , pythonOlder
@@ -20,6 +21,14 @@ buildPythonPackage rec {
     hash = "sha256-XiwvsJ3AmEJRLYBjC7eSNZodM9LARzrUfuI9oL6eMrE=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "switch-to-poetry-core.patch";
+      url = "https://github.com/timothycrosley/hypothesis-auto/commit/8277b4232617c0433f80e9c2844452b9fae67a65.patch";
+      hash = "sha256-/0z0nphtQnUBiLYhhzLZT59kQgktSugaBg+ePNxy0qI=";
+    })
+  ];
+
   postPatch = ''
     # https://github.com/timothycrosley/hypothesis-auto/pull/20
     substituteInPlace pyproject.toml \
@@ -28,7 +37,7 @@ buildPythonPackage rec {
   '';
 
   nativeBuildInputs = [
-    poetry
+    poetry-core
   ];
 
   propagatedBuildInputs = [