diff --git a/pkgs/by-name/cr/crate2nix/package.nix b/pkgs/by-name/cr/crate2nix/package.nix
index 347bf5eb39b5..762f3bd811b3 100644
--- a/pkgs/by-name/cr/crate2nix/package.nix
+++ b/pkgs/by-name/cr/crate2nix/package.nix
@@ -11,18 +11,18 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "crate2nix";
-  version = "0.14.1";
+  version = "0.15.0";
 
   src = fetchFromGitHub {
     owner = "nix-community";
     repo = "crate2nix";
     rev = version;
-    hash = "sha256-esWhRnt7FhiYq0CcIxw9pvH+ybOQmWBfHYMtleaMhBE=";
+    hash = "sha256-SUuruvw1/moNzCZosHaa60QMTL+L9huWdsCBN6XZIic=";
   };
 
   sourceRoot = "${src.name}/crate2nix";
 
-  cargoHash = "sha256-Du6RAe4Ax3KK90h6pQEtF75Wdniz+IqF2/TXHA9Ytbw=";
+  cargoHash = "sha256-q/nPKNXZ1eJijeTBXA6Uuz235p+Q1uilXY5a/s8btMM=";
 
   nativeBuildInputs = [
     makeWrapper
@@ -42,11 +42,10 @@ rustPlatform.buildRustPackage rec {
         ]
       }
 
-      for shell in bash zsh fish
-      do
-        $out/bin/crate2nix completions -s $shell
-        installShellCompletion crate2nix.$shell || installShellCompletion --$shell _crate2nix
-      done
+    $out/bin/crate2nix completions -s bash
+    $out/bin/crate2nix completions -s zsh
+    $out/bin/crate2nix completions -s fish
+    installShellCompletion --bash crate2nix.bash --zsh _crate2nix --fish crate2nix.fish
   '';
 
   meta = {