diff --git a/.github/workflows/install-kcl-lsp.yml b/.github/workflows/install-kcl-lsp.yml
index e0546646..4e21052e 100644
--- a/.github/workflows/install-kcl-lsp.yml
+++ b/.github/workflows/install-kcl-lsp.yml
@@ -7,7 +7,7 @@ jobs:
   check-macos:
     strategy:
       matrix:
-        os: [macos-12, macos-13, macos-13-xlarge, macos-14, macos-latest]
+        os: [macos-13, macos-13-xlarge, macos-14, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
@@ -55,7 +55,7 @@ jobs:
   check-kcl-lsp-brew-install-macos:
       strategy:
         matrix:
-          os: [macos-12, macos-13, macos-13-xlarge, macos-14, macos-latest]
+          os: [macos-13, macos-13-xlarge, macos-14, macos-latest]
       runs-on: ${{ matrix.os }}
       steps:
         - uses: actions/checkout@v3
diff --git a/.github/workflows/install-kcl.yml b/.github/workflows/install-kcl.yml
index 822784f1..49a7951e 100644
--- a/.github/workflows/install-kcl.yml
+++ b/.github/workflows/install-kcl.yml
@@ -7,7 +7,7 @@ jobs:
   check-macos:
     strategy:
       matrix:
-        os: [macos-12, macos-13, macos-13-xlarge, macos-14, macos-latest]
+        os: [macos-13, macos-13-xlarge, macos-14, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
@@ -90,7 +90,7 @@ jobs:
   check-kcl-brew-install:
     strategy:
       matrix:
-        os: [macos-12, macos-13, macos-latest, ubuntu-20.04, ubuntu-latest]
+        os: [macos-13, macos-latest, ubuntu-20.04, ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3