diff --git a/.buildkite/scripts/build-downstream-projects.sh b/.buildkite/scripts/build-downstream-projects.sh
index d7c5babcb..d4e8a65f3 100755
--- a/.buildkite/scripts/build-downstream-projects.sh
+++ b/.buildkite/scripts/build-downstream-projects.sh
@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 
+set -e
 here=$(dirname "$0")
 
 # shellcheck source=.buildkite/scripts/common.sh