diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 12f86d649603..b377819dd264 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -17617,6 +17617,12 @@
     githubId = 19433256;
     name = "Radoslaw Sniezek";
   };
+  rsrohitsingh682 = {
+    email = "rsrohitsingh682@gmail.com";
+    github = "rsrohitsingh682";
+    githubId = 45477585;
+    name = "Rohit Singh";
+  };
   rster2002 = {
     name = "Bjørn";
     github = "rster2002";
diff --git a/pkgs/tools/nix/nixci/default.nix b/pkgs/tools/nix/nixci/default.nix
index e84e21f4c83f..304c5ff8ce6a 100644
--- a/pkgs/tools/nix/nixci/default.nix
+++ b/pkgs/tools/nix/nixci/default.nix
@@ -8,21 +8,23 @@
 , Security
 , SystemConfiguration
 , IOKit
+, installShellFiles
+, nix
 }:
 
 rustPlatform.buildRustPackage rec {
   pname = "nixci";
-  version = "0.5.0";
+  version = "1.0.0";
 
   src = fetchCrate {
     inherit version;
     pname = "nixci";
-    hash = "sha256-XbPXS29zqg+pOs/JRRB2bRPdMTDy/oKLM41UomSZTN0=";
+    hash = "sha256-49I09hXYoVo6vzv1b6mkeiFwzfj6g1SkXTL/tCEdOYc=";
   };
 
-  cargoHash = "sha256-+ed/XsEAwp7bsZOb+bOailpgSFnKvwoHR0QptnGeulk=";
+  cargoHash = "sha256-trmWeYJNev7jYJtGp9XR/emmQiiI94NM0cPFrAuD7m0=";
 
-  nativeBuildInputs = [ pkg-config ];
+  nativeBuildInputs = [ pkg-config installShellFiles nix ];
 
   buildInputs = lib.optionals stdenv.isLinux [
     openssl
@@ -32,6 +34,13 @@ rustPlatform.buildRustPackage rec {
     SystemConfiguration
   ];
 
+  postInstall = ''
+    installShellCompletion --cmd nixci \
+      --bash <($out/bin/nixci completion bash) \
+      --fish <($out/bin/nixci completion fish) \
+      --zsh <($out/bin/nixci completion zsh)
+  '';
+
   # The rust program expects an environment (at build time) that points to the
   # devour-flake flake.
   env.DEVOUR_FLAKE = fetchFromGitHub {
@@ -45,7 +54,7 @@ rustPlatform.buildRustPackage rec {
     description = "Define and build CI for Nix projects anywhere";
     homepage = "https://github.com/srid/nixci";
     license = licenses.agpl3Only;
-    maintainers = with maintainers; [ srid shivaraj-bh ];
+    maintainers = with maintainers; [ srid shivaraj-bh rsrohitsingh682 ];
     mainProgram = "nixci";
   };
 }