diff --git a/fly.toml b/fly.toml
index 5a95851..22dca66 100644
--- a/fly.toml
+++ b/fly.toml
@@ -5,6 +5,9 @@ kill_signal = "SIGINT"
 kill_timeout = 5
 processes = []
 
+[build.args]
+  COMMIT = "HEAD"
+  VERSION = "nightly"
 
 [env]
   PORT = "7745"