diff --git a/pkgs/development/python-modules/db-dtypes/default.nix b/pkgs/development/python-modules/db-dtypes/default.nix
index a7fbfd1b3783..528134f7349b 100644
--- a/pkgs/development/python-modules/db-dtypes/default.nix
+++ b/pkgs/development/python-modules/db-dtypes/default.nix
@@ -1,19 +1,19 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, fetchpatch
 , numpy
 , packaging
 , pandas
 , pyarrow
 , pytestCheckHook
 , pythonOlder
+, setuptools
 }:
 
 buildPythonPackage rec {
   pname = "db-dtypes";
-  version = "1.1.1";
-  format = "setuptools";
+  version = "1.2.0";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -21,22 +21,11 @@ buildPythonPackage rec {
     owner = "googleapis";
     repo = "python-db-dtypes-pandas";
     rev = "refs/tags/v${version}";
-    hash = "sha256-OAVHx/a4uupVGXSWN2/3uem9/4i+TUkzTX4kp0uLY44=";
+    hash = "sha256-FVRqh30mYVfC8zuhPteuvqGYGTp3PW+pi1bquUjYFAg=";
   };
 
-  patches = [
-    # on master branch, to be released as 1.1.2
-    (fetchpatch {
-      name = "xfail-tests-that-are-known-to-fail.patch";
-      url = "https://github.com/googleapis/python-db-dtypes-pandas/commit/4a56b766b0ccba900a555167863f1081a76c4c0d.patch";
-      hash = "sha256-ra1d8Vewvwhkr7PBHc3KM6IUCWsHxE+B7UP2duTgjew=";
-    })
-    # on master branch, to be released as 1.1.2
-    (fetchpatch {
-      name = "add-import-and-object-reference-due-to-upstream-changes.patch";
-      url = "https://github.com/googleapis/python-db-dtypes-pandas/commit/8a7b25f3e708df5cd32afcb702fe16130846b165.patch";
-      hash = "sha256-JVbhiOIr5gKMSQpIQ+DgIRqq8V5x5ClQhkQzAmIYqEU=";
-    })
+  nativeBuildInputs = [
+    setuptools
   ];
 
   propagatedBuildInputs = [