diff --git a/pkgs/games/ferium/default.nix b/pkgs/games/ferium/default.nix
index 2b2a26dc200f..f72ce4da7eeb 100644
--- a/pkgs/games/ferium/default.nix
+++ b/pkgs/games/ferium/default.nix
@@ -1,19 +1,19 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, Security }:
+{ lib, stdenv, fetchFromGitHub, rustPlatform, Security, installShellFiles }:
 
 rustPlatform.buildRustPackage rec {
   pname = "ferium";
-  version = "4.1.5";
+  version = "4.1.8";
 
   src = fetchFromGitHub {
     owner = "gorilla-devs";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-NxrV8mi7xsr+x9oOp78DkHoPls0JLm5eol/8q9NwuTs=";
+    sha256 = "sha256-lbzLM/KgknFEaJPs1x92IOJD9MILairCV0qgc/Faooo=";
   };
 
   buildInputs = lib.optionals stdenv.isDarwin [ Security ];
 
-  cargoSha256 = "sha256-hR2PKQqSvtSBOOhZKW2IsGGjuU4jCdLMeruAHxErQtU=";
+  cargoSha256 = "sha256-Ra56Go2yReKcEK/rzt07CRekiWUIIDtx+tndw+Txvz4=";
 
   # Disable the GUI file picker so that GTK/XDG dependencies aren't used
   buildNoDefaultFeatures = true;
@@ -21,10 +21,19 @@ rustPlatform.buildRustPackage rec {
   # Requires an internet connection
   doCheck = false;
 
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    for shell in bash fish zsh; do
+      $out/bin/ferium complete $shell > ferium.$shell
+      installShellCompletion ferium.$shell
+    done
+  '';
+
   meta = with lib; {
     description = "Fast and multi-source CLI program for managing Minecraft mods and modpacks from Modrinth, CurseForge, and GitHub Releases";
     homepage = "https://github.com/gorilla-devs/ferium";
     license = licenses.mpl20;
-    maintainers = [ maintainers.leo60228 ];
+    maintainers = with maintainers; [ leo60228 imsofi ];
   };
 }