diff --git a/pkgs/by-name/ba/backblaze-b2/package.nix b/pkgs/by-name/ba/backblaze-b2/package.nix
index 1948edf4aebc..2bd1ddf273a4 100644
--- a/pkgs/by-name/ba/backblaze-b2/package.nix
+++ b/pkgs/by-name/ba/backblaze-b2/package.nix
@@ -11,14 +11,14 @@
 
 python3Packages.buildPythonApplication (finalAttrs: {
   pname = "backblaze-b2";
-  version = "4.5.1";
+  version = "4.6.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Backblaze";
     repo = "B2_Command_Line_Tool";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-0BF4+L47Cx7GNGeNm8nJkEfTLYb6jLxSH3WE+h9B6zA=";
+    hash = "sha256-/JCvCydW+oaPSs94Crfia9VFNSuHO02j6n+CFnxMKDE=";
   };
 
   patches = [ ./0001-fix-error-with-pytest-4.0.patch ];
@@ -28,28 +28,21 @@ python3Packages.buildPythonApplication (finalAttrs: {
     argcomplete
   ];
 
-  build-system = with python3Packages; [
-    pdm-backend
-  ];
+  build-system = with python3Packages; [ pdm-backend ];
 
   dependencies = with python3Packages; [
     argcomplete
     arrow
     b2sdk
-    phx-class-registry
     docutils
+    platformdirs
     rst2ansi
+    setuptools
     tabulate
     tqdm
-    platformdirs
-    packaging
-    setuptools
   ];
 
-  pythonRelaxDeps = [
-    "docutils"
-    "phx-class-registry"
-  ];
+  pythonRelaxDeps = [ "docutils" ];
 
   nativeCheckInputs = with python3Packages; [
     backoff