diff --git a/assets/out b/assets/out
index 937de29..893b97e 100755
--- a/assets/out
+++ b/assets/out
@@ -17,4 +17,13 @@ git_config_payload=$(jq -r '.source.git_config // []' < $payload)
 
 configure_git_global "${git_config_payload}"
 
-/opt/go/out $1 >&3 < $payload
+_terminate() {
+  kill -TERM "$child" 2>/dev/null
+}
+
+trap _terminate TERM
+
+/opt/go/out $1 >&3 < $payload &
+
+child=$!
+wait "$child"