diff --git a/build-docs.sh b/build-docs.sh
index eb8010c25063d..ff426c56ae015 100755
--- a/build-docs.sh
+++ b/build-docs.sh
@@ -2,7 +2,7 @@
 set -euo pipefail
 
 # render docs to docs/dist
-(cd docs && ./build-docs.sh)
+(cd docs && bash ./build-docs.sh)
 
 # deploy output to 'pack/docs'
 rm -fr pack/docs