diff --git a/.github/workflows/format.yaml b/.github/workflows/format.yaml
index 90d4ec2e..4eaf45c0 100644
--- a/.github/workflows/format.yaml
+++ b/.github/workflows/format.yaml
@@ -9,7 +9,7 @@ jobs:
       matrix:
         os:
           # - ubuntu-18.04          
-          - macos-10.15          
+          - macos-latest
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout code
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 29a5ac45..0f5178a5 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -9,7 +9,7 @@ jobs:
       matrix:
         os:
           # - ubuntu-18.04          
-          - macos-10.15          
+          - macos-latest
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout code and submodule
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 42071750..2c308ba3 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -9,7 +9,7 @@ jobs:
       matrix:
         os:
           # - ubuntu-18.04          
-          - macos-10.15          
+          - macos-latest
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout code and submodule