diff --git a/tools/run_tests/build_artifact_ruby.sh b/tools/run_tests/build_artifact_ruby.sh
index 7709fe12b1d..727899db5e6 100755
--- a/tools/run_tests/build_artifact_ruby.sh
+++ b/tools/run_tests/build_artifact_ruby.sh
@@ -48,13 +48,8 @@ if [ "$SYSTEM" == "MINGW32" ] ; then
   exit 1
 fi
 
-if [ "$SYSTEM" == "Darwin" ] ; then
-  set +ex
-  rvm use ruby-head
-  set -ex
-fi
-
 set +ex
+rvm use default
 gem install bundler --update
 bundle install
 set -ex