diff --git a/tools/run_tests/build_artifact_ruby.sh b/tools/run_tests/build_artifact_ruby.sh
index 21daee735132e3e5c8c9e674c9e8fdcd340d1dfc..10fc997a8366186beddd9e26f8de93f534364d45 100755
--- a/tools/run_tests/build_artifact_ruby.sh
+++ b/tools/run_tests/build_artifact_ruby.sh
@@ -55,10 +55,11 @@ if [ "$SYSTEM" == "Darwin" ] ; then
 fi
 
 set +ex
-${SETARCH_CMD} bundle install
+gem install bundle --update
+bundle install
 set -ex
 
-${SETARCH_CMD} rake gem:native
+rake gem:native
 
 if [ "$SYSTEM" == "Darwin" ] ; then
   rm pkg/`ls pkg/*.gem | grep -v darwin`