diff --git a/pkgs/by-name/gi/git-chain/package.nix b/pkgs/by-name/gi/git-chain/package.nix
new file mode 100644
index 000000000000..1b66e4eb5d21
--- /dev/null
+++ b/pkgs/by-name/gi/git-chain/package.nix
@@ -0,0 +1,48 @@
+{
+  lib,
+  fetchFromGitHub,
+  rustPlatform,
+  pkg-config,
+  openssl,
+  git,
+  nix-update-script,
+  stdenv,
+  darwin,
+}:
+
+rustPlatform.buildRustPackage {
+  pname = "git-chain";
+  version = "0-unstable-2024-08-09";
+
+  src = fetchFromGitHub {
+    owner = "dashed";
+    repo = "git-chain";
+    rev = "4fee033ea1ee51bbb6b7f75411f0f4f799aea1e2";
+    hash = "sha256-wQZXixg7mCBUo18z/WCkTWW3R0j2jxs8t1yaQzY3Eu4=";
+  };
+
+  cargoHash = "sha256-pRxOrlDgfSpUBY2WKfoIH9ngLzb2noiLqxA3/6s+mRw=";
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs =
+    [ openssl ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin (
+      with darwin.apple_sdk.frameworks;
+      [
+        Security
+      ]
+    );
+
+  nativeCheckInputs = [ git ];
+
+  passthru.updateScript = nix-update-script { extraArgs = [ "--version=branch" ]; };
+
+  meta = with lib; {
+    description = "Tool for rebasing a chain of local git branches";
+    homepage = "https://github.com/dashed/git-chain";
+    license = licenses.mit;
+    mainProgram = "git-chain";
+    maintainers = with maintainers; [ bcyran ];
+  };
+}