diff --git a/.github/workflows/debian.yml b/.github/workflows/debian.yml
index e0c05972a..b94d90ef9 100644
--- a/.github/workflows/debian.yml
+++ b/.github/workflows/debian.yml
@@ -28,7 +28,7 @@ jobs:
 
       - run: |
           ruby --version
-          rbenv install 2.8.0-dev
+          rbenv install 3.1.2
 
       - uses: actions/checkout@v2
 
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 56b95f82c..50e4553f0 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -20,7 +20,7 @@ jobs:
 
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 3.1
           bundler-cache: true
 
       - uses: actions/cache@v2
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 8ac2db3e1..cad4c6e3f 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -35,7 +35,7 @@ jobs:
 
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 3.1
           bundler-cache: true
 
       - uses: actions/cache@v2