diff --git a/pkgs/by-name/gi/git-statuses/package.nix b/pkgs/by-name/gi/git-statuses/package.nix
index 07c0c8271411..c9b95e545902 100644
--- a/pkgs/by-name/gi/git-statuses/package.nix
+++ b/pkgs/by-name/gi/git-statuses/package.nix
@@ -2,39 +2,51 @@
   lib,
   fetchFromGitHub,
   rustPlatform,
+  installShellFiles,
   pkg-config,
   openssl,
+  git,
   versionCheckHook,
+  stdenv,
   nix-update-script,
 }:
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "git-statuses";
-  version = "0.4.0";
+  version = "0.5.1";
 
   src = fetchFromGitHub {
     owner = "bircni";
     repo = "git-statuses";
     tag = finalAttrs.version;
-    hash = "sha256-e4g4tiewhN5acrkGN9Y5+WO+ihogiJXmT4PlhLtyWcs=";
+    hash = "sha256-nuWtW1NEECBqQ5uZKRqnvbjMUeYBg04j51zrHi/SDm0=";
   };
 
-  cargoHash = "sha256-IqlVwh80yTzVHWi5L+EQzt5SksK7SlBowZy46HnA+FI=";
+  cargoHash = "sha256-WAr5AkT4C14HupJHHZi209jtE8a9IUwOCw76cYu8Yjc=";
 
   # Needed to get openssl-sys to use pkg-config.
   env.OPENSSL_NO_VENDOR = 1;
 
   nativeBuildInputs = [
+    installShellFiles
     pkg-config
   ];
   buildInputs = [
     openssl
   ];
   nativeInstallCheckInputs = [
+    git
     versionCheckHook
   ];
   doInstallCheck = true;
 
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    installShellCompletion --cmd git-statuses \
+      --bash <($out/bin/git-statuses --completions bash) \
+      --fish <($out/bin/git-statuses --completions fish) \
+      --zsh <($out/bin/git-statuses --completions zsh)
+  '';
+
   passthru.updateScript = nix-update-script { };
 
   meta = {