diff --git a/nixpacks.toml b/nixpacks.toml
new file mode 100644
index 0000000..99f933b
--- /dev/null
+++ b/nixpacks.toml
@@ -0,0 +1,3 @@
+# Dokploy builds with Nixpacks by default (Node 18). Pin Node 20 for install/build.
+[variables]
+NIXPACKS_NODE_VERSION = "20"