diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8ecb63e..a742d55 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,11 +18,9 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: setup ruby
-        uses: actions/setup-ruby@v1
-        with:
-          ruby-version: 2.7.x
+        uses: ruby/setup-ruby@v1
       - name: bundle install
-        run: | 
+        run: |
           gem update --system --no-document
           gem update bundler --no-document
           gem install jekyll bundler
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..a0891f5
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+3.3.4