diff --git a/.github/workflows/licensed.yml b/.github/workflows/licensed.yml
index 4fee6d5..4820edc 100644
--- a/.github/workflows/licensed.yml
+++ b/.github/workflows/licensed.yml
@@ -12,6 +12,6 @@ jobs:
     steps:
       - uses: actions/checkout@v1.0.0
       - uses: actions/setup-ruby@v1.0.2
-        with: {ruby-version: 3.x}
+        with: {ruby-version: 2.x}
       - run: gem install licensed
       - run: licensed status