diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 695ce9766..1e02ea486 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -11,7 +11,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7.3
+          ruby-version: 3.1.4
           bundler-cache: true
 
   general_tests:
@@ -23,7 +23,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7.3
+          ruby-version: 3.1.4
           bundler-cache: true
 
       - name: Run tests
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 000000000..0aec50e6e
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+3.1.4