diff --git a/shell.nix b/shell.nix
index e507893..13d5ae3 100644
--- a/shell.nix
+++ b/shell.nix
@@ -7,9 +7,11 @@ let
 in
 mkShell rec {
   packages = [
+    cargo-audit
     cargo-edit
     cargo-insta
     cargo-make
+    cargo-outdated
     cargo-tarpaulin
     rustup-toolchain
   ];