diff --git a/.tangled/workflows/build.yml b/.tangled/workflows/build.yml
index 0e283c5..4ac5cee 100644
--- a/.tangled/workflows/build.yml
+++ b/.tangled/workflows/build.yml
@@ -2,15 +2,24 @@ when:
   - event: [ "push" ]
     branch: [ "main" ]
 
+engine: "nixery"
+
 dependencies:
   nixpkgs:
     - cargo
     - gcc
     - pkg-config
     - openssl
+  nixpkgs/nixpkgs-unstable:
+    - bun
 
 steps:
   - name: Build project
     command: |
       export PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:$(nix build nixpkgs#openssl.dev --no-link --print-out-paths)/lib/pkgconfig"
       cargo build
+  - name: Bun version
+    command: |
+      export PATH="$HOME/.nix-profile/bin:$PATH"
+      bun --version
+