diff --git a/scripts/download.sh b/scripts/download.sh
index e35f12e9b..43a08a060 100755
--- a/scripts/download.sh
+++ b/scripts/download.sh
@@ -6,6 +6,7 @@ if [[ -n $1 ]] ; then
     version=$1
 fi
 
+echo "downloading bbgo $version"
 curl -L -o bbgo https://github.com/c9s/bbgo/releases/download/$version/bbgo-$osf
 chmod +x bbgo