diff --git a/nixpacks.toml b/nixpacks.toml
index f91bf18..60db88e 100644
--- a/nixpacks.toml
+++ b/nixpacks.toml
@@ -1,5 +1,6 @@
 [phases.setup]
 pkgs = ["bun"]
+cmds = ["bun --version"]
 
 [phases.install]
 cmds = ["bun install"]
@@ -8,4 +9,7 @@ cmds = ["bun install"]
 cmds = ["bun run build"]
 
 [start]
-cmd = "bun run start"
\ No newline at end of file
+cmd = "bun run start"
+
+[variables]
+NODE_PACKAGE_MANAGER = "bun"
\ No newline at end of file