diff --git a/pkgs/by-name/ba/backblaze-b2/0001-fix-error-with-pytest-4.0.patch b/pkgs/by-name/ba/backblaze-b2/0001-fix-error-with-pytest-4.0.patch
deleted file mode 100644
index 7a1a44954fbe..000000000000
--- a/pkgs/by-name/ba/backblaze-b2/0001-fix-error-with-pytest-4.0.patch
+++ /dev/null
@@ -1,40 +0,0 @@
-From 898cfcc19af66f5a9273cd04b43cf76ae9ec6da9 Mon Sep 17 00:00:00 2001
-From: Michael Daniels <mdaniels5757@gmail.com>
-Date: Tue, 17 Feb 2026 21:17:33 -0500
-Subject: [PATCH] fix error with pytest 4.0
-
-https://docs.pytest.org/en/stable/deprecations.html#pytest-plugins-in-non-top-level-conftest-files
----
- test/conftest.py             | 1 +
- test/integration/conftest.py | 3 ---
- 2 files changed, 1 insertion(+), 3 deletions(-)
-
-diff --git a/test/conftest.py b/test/conftest.py
-index 8f0629b..53f3e32 100644
---- a/test/conftest.py
-+++ b/test/conftest.py
-@@ -12,6 +12,7 @@ import sys
- 
- import pytest
- 
-+pytest_plugins = ['b2sdk.v3.testing']
- 
- @pytest.hookimpl
- def pytest_configure(config):
-diff --git a/test/integration/conftest.py b/test/integration/conftest.py
-index 1a7226d..035a2be 100755
---- a/test/integration/conftest.py
-+++ b/test/integration/conftest.py
-@@ -47,9 +47,6 @@ ROOT_PATH = pathlib.Path(__file__).parent.parent.parent
- GENERAL_BUCKET_NAME_PREFIX = 'clitst'
- 
- 
--pytest_plugins = ['b2sdk.v3.testing']
--
--
- @pytest.fixture(scope='session', autouse=True)
- def summary_notes(request, worker_id):
-     capmanager = request.config.pluginmanager.getplugin('capturemanager')
--- 
-2.51.2
-
diff --git a/pkgs/by-name/ba/backblaze-b2/package.nix b/pkgs/by-name/ba/backblaze-b2/package.nix
index beb32465cae5..137439d6be56 100644
--- a/pkgs/by-name/ba/backblaze-b2/package.nix
+++ b/pkgs/by-name/ba/backblaze-b2/package.nix
@@ -11,24 +11,25 @@
 
 python3Packages.buildPythonApplication (finalAttrs: {
   pname = "backblaze-b2";
-  version = "4.6.0";
+  version = "4.7.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Backblaze";
     repo = "B2_Command_Line_Tool";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-/JCvCydW+oaPSs94Crfia9VFNSuHO02j6n+CFnxMKDE=";
+    hash = "sha256-canG8uEgPukNJiFk+SoSANkKvOBFBZ8lV3lH0tnEzrY=";
   };
 
-  patches = [ ./0001-fix-error-with-pytest-4.0.patch ];
-
   nativeBuildInputs = with python3Packages; [
     installShellFiles
     argcomplete
   ];
 
-  build-system = with python3Packages; [ pdm-backend ];
+  build-system = with python3Packages; [
+    hatchling
+    hatch-vcs
+  ];
 
   dependencies = with python3Packages; [
     argcomplete