diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a93e2622..012f5cbb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,12 +11,11 @@ permissions:
 
 jobs:
   build:
-    runs-on: ${{ matrix.os }}
+    runs-on: 'ubuntu-22.04'
     strategy:
       fail-fast: false
       matrix:
         java_version: ['8', '11', '17']
-        os: ['ubuntu-20.04']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps: