diff --git a/pkgs/by-name/je/jellyfish/package.nix b/pkgs/by-name/je/jellyfish/package.nix
new file mode 100644
index 000000000000..99613f9960db
--- /dev/null
+++ b/pkgs/by-name/je/jellyfish/package.nix
@@ -0,0 +1,36 @@
+{
+  lib,
+  python3Packages,
+  fetchFromGitHub,
+  nix-update-script,
+}:
+
+python3Packages.buildPythonApplication {
+  pname = "jellyfish";
+  version = "0-unstable-2024-05-27";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "codereport";
+    repo = "jellyfish";
+    rev = "611fdf45c8950dfc06d22c2638aa73f9560203b4";
+    hash = "sha256-IwqXR7oeQjFV4MGadqg1Y6a5tUYb3MdT2L6kDs5JvTo=";
+  };
+
+  build-system = [ python3Packages.setuptools ];
+
+  dependencies = [ python3Packages.sympy ];
+
+  # there are no tests
+  doCheck = false;
+
+  passthru.updateScript = nix-update-script { extraArgs = [ "--version=branch" ]; };
+
+  meta = {
+    description = "Extension of the Jelly programming language created by Dennis Mitchell";
+    homepage = "https://github.com/codereport/jellyfish";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ defelo ];
+    mainProgram = "jelly";
+  };
+}