diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index f2d5366..81b430f 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -37,8 +37,8 @@ jobs:
     continue-on-error: true
     strategy:
       matrix:
-        os: [ ubuntu-18.04, ubuntu-20.04, ubuntu-22.04, ubuntu-latest, windows-2019, windows-2022, windows-latest ]
-        java-version: [ 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 ]
+        os: [ ubuntu-latest ]
+        java-version: [ 11, 12, 13, 14, 15, 16, 17, 18 ]
 
     runs-on: ${{ matrix.os }}
     steps: