diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index e621038..a4895a9 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -10,9 +10,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby
-      uses: ruby/setup-ruby@21351ecc0a7c196081abca5dc55b08f085efe09a
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.6.3
+        ruby-version: 2.7.7
         bundler: 2.1.4
         bundler-cache: true
     - name: Pull worker
diff --git a/.ruby-version b/.ruby-version
index ec1cf33..1f7da99 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.6.3
+2.7.7