diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3dd2ecc..99be71b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -34,7 +34,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-11.0, macos-10.15, ubuntu-20.04, ubuntu-18.04]
+        os: [macos-10.15, ubuntu-20.04, ubuntu-18.04]
     env:
       BUILD_TYPE: Release
     steps: