diff --git a/pkgs/tools/nix/alejandra/default.nix b/pkgs/tools/nix/alejandra/default.nix
index 5cfacdb50bc0..5c430e0bc168 100644
--- a/pkgs/tools/nix/alejandra/default.nix
+++ b/pkgs/tools/nix/alejandra/default.nix
@@ -7,16 +7,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "alejandra";
-  version = "1.5.0";
+  version = "2.0.0";
 
   src = fetchFromGitHub {
     owner = "kamadorueda";
     repo = "alejandra";
     rev = version;
-    sha256 = "sha256-A0ruEdPeKIzGYxyXNACnzaKtQUVc30s2ExTUzdFTcWM=";
+    sha256 = "sha256-imWi48JxT7l/1toc7NElP1/CBEbChTQ3n0gjBz6L7so=";
   };
 
-  cargoSha256 = "sha256-BmpFyVF2fxV3rExI7rpOQlVwHEJNlof44dnUshaO/no=";
+  cargoSha256 = "sha256-pcNU7Wk98LQuRg/ItsJ+dxXcSdYROJVYifF74jIrqEo=";
 
   passthru.tests = {
     version = testers.testVersion { package = alejandra; };