diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7e7146898..41887de7e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -45,7 +45,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up Ruby
-        uses: actions/setup-ruby@v1
+        uses: actions/setup-ruby@v1.1.3
         with:
           ruby-version: '2.6'
       - name: Install