diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 004fd4f49c32..c24be4394970 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -9070,6 +9070,12 @@
     githubId = 6789916;
     name = "Jason Odoom";
   };
+  javaes = {
+    email = "jan+dev@vanesdonk.de";
+    github = "javaes";
+    githubId = 1131529;
+    name = "Jan van Esdonk";
+  };
   javaguirre = {
     email = "contacto@javaguirre.net";
     github = "javaguirre";
diff --git a/pkgs/by-name/sl/slumber/package.nix b/pkgs/by-name/sl/slumber/package.nix
new file mode 100644
index 000000000000..4a7979e29d58
--- /dev/null
+++ b/pkgs/by-name/sl/slumber/package.nix
@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchFromGitHub, rustPlatform }:
+rustPlatform.buildRustPackage rec {
+  pname = "slumber";
+  version = "1.0.1";
+
+  # This release tarball includes source code for the tree-sitter grammars,
+  # which is not ordinarily part of the repository.
+  src = fetchFromGitHub {
+    owner = "LucasPickering";
+    repo = "slumber";
+    rev = "v${version}";
+    hash = "sha256-FXw3hVVY/f49leo9t+z52+Ti9XGk6UJDtd0VpQDQb/o=";
+  };
+
+  cargoHash = "sha256-odLFfq3qjCQUNDauFtlOaKrsYVspAIxAc/pRSEZyIwo=";
+
+  meta = with lib; {
+    description = "Terminal-based HTTP/REST client";
+    homepage = "https://slumber.lucaspickering.me";
+    license = licenses.mit;
+    mainProgram = "slumber";
+    maintainers = with maintainers; [ javaes ];
+    broken = stdenv.isDarwin || stdenv.isAarch64;
+  };
+}