diff --git a/publish.sh b/publish.sh
index 2db5bce8..e3aaf3d0 100755
--- a/publish.sh
+++ b/publish.sh
@@ -2,6 +2,9 @@
 
 SITE_ENV="prod"
 
+# Build front-end assets.
+node_modules/.bin/gulp --production
+
 # Remove the existing docs directory, build the site and create the new
 # docs directory.
 rm -rf ./docs