diff --git a/scripts/test-all.sh b/scripts/test-all.sh
index 97112677..9736c397 100644
--- a/scripts/test-all.sh
+++ b/scripts/test-all.sh
@@ -28,3 +28,5 @@ fi
 yq -i '.client.env_var.set.GOOGLE_MAPS_API_KEY.default = null' $PROJECT_CONF
 # remove empty line at end of project.yaml
 printf %s "$(cat $PROJECT_CONF)" >$PROJECT_CONF
+# test project.yaml types
+cue vet ./cue/project_conf.cue $PROJECT_CONF
\ No newline at end of file