diff --git a/wrapper.sh b/wrapper.sh
index 0322ef4..bea0e95 100644
--- a/wrapper.sh
+++ b/wrapper.sh
@@ -1,5 +1,11 @@
 #!/bin/sh
 
+cleanup() {
+    pkill -P $$
+}
+
+trap cleanup EXIT HUP INT QUIT PIPE TERM ERR
+
 (cd packages/api && npm run start) &
 (cd packages/web && HOST=0.0.0.0 npm run start) &