diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 0c92f577f..7143a280d 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-18.04]
+        os: [ubuntu-22.04]
         ruby: [ '2.7', '3.0.3'  ]
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') || matrix.ruby == 'debug' }}
@@ -89,7 +89,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby: [ '2.7', '3.0.3' ]
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
 
     env:
       CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}