diff --git a/flake.nix b/flake.nix
index d5dd9c9..293bdfa 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,7 +19,7 @@
         pname = "sTodo";
         version = "1.0.0";
         src = tarball;
-        buildInputs = [zlib gmp libffi];
+        buildInputs = [libz gmp libffi];
         nativeBuildInputs = [openssl];
         installPhase = ''
           mkdir -p $out/bin