diff --git a/pkgs/development/python-modules/python-roborock/default.nix b/pkgs/development/python-modules/python-roborock/default.nix
index a8e019ce88b..037fc14b1c7 100644
--- a/pkgs/development/python-modules/python-roborock/default.nix
+++ b/pkgs/development/python-modules/python-roborock/default.nix
@@ -20,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "python-roborock";
-  version = "0.33.2";
+  version = "0.34.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.10";
@@ -29,9 +29,14 @@ buildPythonPackage rec {
     owner = "humbertogontijo";
     repo = "python-roborock";
     rev = "refs/tags/v${version}";
-    hash = "sha256-UAQlKfh6oljeWtEGYx7JiT1z9yFCAXRSlI4Ot6JUnoQ=";
+    hash = "sha256-WLnMc2UQyjHaHRms6SEdF/TSum3Cf5NC3SGXHtGj6d0=";
   };
 
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace "poetry-core==1.6.1" "poetry-core"
+  '';
+
   pythonRelaxDeps = [
     "pycryptodome"
   ];