Update macOS virtual environment on Github Actions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8c4237bd26b021529b23cad0a90da848246ee3e1..367310fe98e1bfe9c4d84315adbfe019f650d623 100644 (file)
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
           NOTHING_CI: on
 
   build-macos:
-    runs-on: macOS-10.14
+    runs-on: macOS-latest
     steps:
       - uses: actions/checkout@v1
       - name: install dependencies