diff --git a/pkgs/by-name/pr/preserves-tools/package.nix b/pkgs/by-name/pr/preserves-tools/package.nix
index 170184efe72f..9ea3dfb2de90 100644
--- a/pkgs/by-name/pr/preserves-tools/package.nix
+++ b/pkgs/by-name/pr/preserves-tools/package.nix
@@ -1,19 +1,32 @@
-{ lib, rustPlatform, fetchCrate }:
+{
+  lib,
+  stdenv,
+  rustPlatform,
+  fetchCrate,
+  installShellFiles,
+}:
 
 rustPlatform.buildRustPackage rec {
   pname = "preserves-tools";
-  version = "4.994.0";
+  version = "4.996.1";
 
   src = fetchCrate {
     inherit pname version;
-    hash = "sha256-+I2uxdAe4SHg8ZLRvkIUr862FH6GvCwnyhxcCPD3JBA=";
+    hash = "sha256-Uyh5mXCypX3TDxxJtnTe6lBoVI8aqdG56ywn7htDGUY=";
   };
 
-  cargoHash = "sha256-09uxXD9EZzzk42tBYbuqaLRFyGmOUuvC7G0XMDjsK6E=";
+  cargoHash = "sha256-rDo/jA4b+GV90SKM82JcGTX1pcAQUeBrLvGwU/geGOw=";
+
+  nativeBuildInputs = [ installShellFiles ];
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    installShellCompletion --cmd preserves-tool \
+      --bash <($out/bin/preserves-tool completions bash) \
+      --fish <($out/bin/preserves-tool completions fish) \
+      --zsh <($out/bin/preserves-tool completions zsh)
+  '';
 
   meta = {
-    description =
-      "Command-line utilities for working with Preserves documents";
+    description = "Command-line utilities for working with Preserves documents";
     homepage = "https://preserves.dev/doc/preserves-tool.html";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ ehmry ];