diff --git a/pkgs/by-name/pa/papeer/package.nix b/pkgs/by-name/pa/papeer/package.nix
index aba9b64bfab8d..d123378f052fc 100644
--- a/pkgs/by-name/pa/papeer/package.nix
+++ b/pkgs/by-name/pa/papeer/package.nix
@@ -1,4 +1,9 @@
-{ lib, buildGoModule, fetchFromGitHub }:
+{
+  lib,
+  buildGoModule,
+  fetchFromGitHub,
+  installShellFiles,
+}:
 
 buildGoModule rec {
   pname = "papeer";
@@ -13,6 +18,14 @@ buildGoModule rec {
 
   vendorHash = "sha256-3QRSdkx9p0H+zPB//bpWCBKKjKjrx0lHMk5lFm+U7pA=";
 
+  nativeBuildInputs = [ installShellFiles ];
+  postInstall = ''
+    installShellCompletion --cmd papeer \
+      --bash <($out/bin/papeer completion bash) \
+      --fish <($out/bin/papeer completion fish) \
+      --zsh <($out/bin/papeer completion zsh)
+  '';
+
   doCheck = false; # uses network
 
   meta = {