diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e63f27eb..7364db3e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{matrix.os}}
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-latest]
+        os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v2
         with: