diff --git a/flake.nix b/flake.nix
index dcfe59d..4f288fc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -41,6 +41,7 @@
             rust-analyzer
             rustc
             rustfmt
+            taplo
           ];
 
           RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";