diff --git a/flake.nix b/flake.nix
index 82429a33..50ffd47a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -78,6 +78,9 @@
                 cargo-outdated
                 cargo-machete
                 nixpkgs-fmt
+                openssl
+                socat
+                killall
               ];
             };
           };