diff --git a/Cargo.lock b/Cargo.lock
index 7dd8e23..6561fc6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,291 @@
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diff --git a/Cargo.toml b/Cargo.toml
index 41fcf88..c6caf70 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+cxx = "1.0.141"
+
+[build-dependencies]
+cxx-build = "1.0.141"
diff --git a/flake.nix b/flake.nix
index d929982..77348b2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -43,6 +43,8 @@
               clippy
               stdenv.cc
               pre-commit
+
+              sword
             ];
 
             buildInputs = self'.checks.pre-commit.enabledPackages;