diff --git a/pkgs/development/tools/b4/default.nix b/pkgs/development/tools/b4/default.nix
new file mode 100644
index 000000000000..8210f7c409a5
--- /dev/null
+++ b/pkgs/development/tools/b4/default.nix
@@ -0,0 +1,36 @@
+{ lib, python3Packages }:
+
+python3Packages.buildPythonApplication rec {
+  pname = "b4";
+  version = "0.6.2";
+
+  src = python3Packages.fetchPypi {
+    inherit pname version;
+    sha256 = "1j904dy9cwxl85k2ngc498q5cdnqwsmw3jibjr1m55w8aqdck68z";
+  };
+
+  preConfigure = ''
+    substituteInPlace setup.py \
+      --replace 'requests~=2.24' 'requests~=2.25'
+  '';
+
+  # tests make dns requests and fails
+  doCheck = false;
+
+  propagatedBuildInputs = with python3Packages; [
+    requests
+    dnspython
+    dkimpy
+
+    # These may be required in the future for other patch attestation features
+    #pycryptodomex~=3.9.9
+    #PyNaCl
+  ];
+
+  meta = with lib; {
+    homepage = "https://git.kernel.org/pub/scm/utils/b4/b4.git/about";
+    license = licenses.gpl2Only;
+    description = "A helper utility to work with patches made available via a public-inbox archive";
+    maintainers = with maintainers; [ jb55 ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index af9935396ee0..90b3cad110ec 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11687,6 +11687,8 @@ in
 
   avrdude = callPackage ../development/tools/misc/avrdude { };
 
+  b4 = callPackage ../development/tools/b4 { };
+
   babeltrace = callPackage ../development/tools/misc/babeltrace { };
 
   bam = callPackage ../development/tools/build-managers/bam {};