diff --git a/nix/shell.nix b/nix/shell.nix
index 9df0432..273d74a 100644
--- a/nix/shell.nix
+++ b/nix/shell.nix
@@ -6,6 +6,7 @@
   clippy,
   taplo,
   rust-analyzer-unwrapped,
+  cargo-nextest,
   rustPlatform,
 }:
 mkShell {
@@ -20,6 +21,9 @@ mkShell {
     cargo
     taplo
     rust-analyzer-unwrapped
+
+    # Additional Cargo Tooling
+    cargo-nextest
   ];
 
   RUST_SRC_PATH = "${rustPlatform.rustLibSrc}";