diff --git a/.github/workflows/default.yml b/.github/workflows/default.yml
index 804d6d9..1bcc51d 100644
--- a/.github/workflows/default.yml
+++ b/.github/workflows/default.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ ubuntu-20.04, ubuntu-22.04, ubuntu-24.04 ]
+        os: [ ubuntu-22.04, ubuntu-24.04 ]
     steps:
     - uses: actions/checkout@v4
     - name: Checkout submodules