diff --git a/pkgs/by-name/ph/phraze/package.nix b/pkgs/by-name/ph/phraze/package.nix
index f227669535c8..0159f2e5ec58 100644
--- a/pkgs/by-name/ph/phraze/package.nix
+++ b/pkgs/by-name/ph/phraze/package.nix
@@ -5,6 +5,7 @@
   nix-update-script,
   phraze,
   rustPlatform,
+  installShellFiles,
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -22,6 +23,8 @@ rustPlatform.buildRustPackage rec {
 
   cargoHash = "sha256-jsQlcGRZqa4HHUS3Xc9OZUbI6pHalt9A3fVaz+Th1l0=";
 
+  nativeBuildInputs = [ installShellFiles ];
+
   passthru = {
     updateScript = nix-update-script { };
     tests = {
@@ -29,6 +32,15 @@ rustPlatform.buildRustPackage rec {
     };
   };
 
+  postInstall = ''
+    installManPage target/man/phraze.1
+
+    installShellCompletion --cmd phraze \
+      --bash target/completions/phraze.bash \
+      --fish target/completions/phraze.fish \
+      --zsh target/completions/_phraze
+  '';
+
   meta = {
     description = "Generate random passphrases";
     homepage = "https://github.com/sts10/phraze";