diff --git a/pkgs/tools/misc/bootspec/default.nix b/pkgs/tools/misc/bootspec/default.nix
new file mode 100644
index 000000000000..789f438de50e
--- /dev/null
+++ b/pkgs/tools/misc/bootspec/default.nix
@@ -0,0 +1,25 @@
+{ lib
+, rustPlatform
+, fetchFromGitHub
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "bootspec";
+  version = "unstable-2022-12-05";
+
+  src = fetchFromGitHub {
+    owner = "DeterminateSystems";
+    repo = pname;
+    rev = "67a617ab6b99211daa92e748d27ead3f78127cf8";
+    hash = "sha256-GX6Tzs/ClTUV9OXLvPFw6uBhrpCWSMI+PfrViyFEIxs=";
+  };
+
+  cargoHash = "sha256-N/hbfjsuvwCc0mxOpeVVcTxb5cA024lyLSEpVcrS7kA=";
+
+  meta = with lib; {
+    description = "Implementation of RFC-0125's datatype and synthesis tooling";
+    homepage = "https://github.com/DeterminateSystems/bootspec";
+    license = licenses.mit;
+    maintainers = teams.determinatesystems.members;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 888ab409ad53..4f0310d61217 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2694,6 +2694,8 @@ with pkgs;
 
   brewtarget = libsForQt5.callPackage ../applications/misc/brewtarget { } ;
 
+  bootspec = callPackage ../tools/misc/bootspec { };
+
   # Derivation's result is not used by nixpkgs. Useful for validation for
   # regressions of bootstrapTools on hydra and on ofborg. Example:
   #     pkgsCross.aarch64-multiplatform.freshBootstrapTools.build