diff --git a/.github/workflows/ci-app_examples.yml b/.github/workflows/ci-app_examples.yml
index 34808ae75767e..0e3559f3551e2 100644
--- a/.github/workflows/ci-app_examples.yml
+++ b/.github/workflows/ci-app_examples.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macOS-10.15, windows-2019]
+        os: [ubuntu-20.04, macOS-11, windows-2019]
         python-version: [3.8]
         requires: ["oldest", "latest"]
 
diff --git a/.github/workflows/ci-app_tests.yml b/.github/workflows/ci-app_tests.yml
index 73326436abf67..1dd6315811673 100644
--- a/.github/workflows/ci-app_tests.yml
+++ b/.github/workflows/ci-app_tests.yml
@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macOS-10.15, windows-2019]
+        os: [ubuntu-20.04, macOS-11, windows-2019]
         python-version: [3.8]
         requires: ["oldest", "latest"]
 
diff --git a/.github/workflows/ci-pytorch_test-full.yml b/.github/workflows/ci-pytorch_test-full.yml
index 2347713aca925..972753f3d8f12 100644
--- a/.github/workflows/ci-pytorch_test-full.yml
+++ b/.github/workflows/ci-pytorch_test-full.yml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, windows-2019, macOS-10.15]
+        os: [ubuntu-20.04, windows-2019, macOS-11]
         python-version: ["3.7", "3.9"]  # minimum, maximum
         requires: ["oldest", "latest"]
         release: ["stable"]
diff --git a/.github/workflows/ci-pytorch_test-slow.yml b/.github/workflows/ci-pytorch_test-slow.yml
index c21c482a7dc24..47bf8f502573c 100644
--- a/.github/workflows/ci-pytorch_test-slow.yml
+++ b/.github/workflows/ci-pytorch_test-slow.yml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, windows-2019, macOS-10.15]
+        os: [ubuntu-20.04, windows-2019, macOS-11]
         # same config as '.azure-pipelines/gpu-tests.yml'
         python-version: ["3.7"]
         pytorch-version: ["1.11"]
diff --git a/.github/workflows/ci_pkg-install.yml b/.github/workflows/ci_pkg-install.yml
index 2c32efcf0bf86..54bca37531b28 100644
--- a/.github/workflows/ci_pkg-install.yml
+++ b/.github/workflows/ci_pkg-install.yml
@@ -33,7 +33,7 @@ jobs:
       fail-fast: true
       max-parallel: 1
       matrix:
-        os: [ubuntu-20.04, macOS-10.15, windows-2019]
+        os: [ubuntu-20.04, macOS-11, windows-2019]
         pkg: ["app", "pytorch"]
         python-version: [3.8]  # , 3.9
 
@@ -74,7 +74,7 @@ jobs:
       fail-fast: false
       # max-parallel: 1
       matrix:
-        os: [ubuntu-20.04, macOS-10.15, windows-2019]
+        os: [ubuntu-20.04, macOS-11, windows-2019]
         pkg: ["", "lightning"]
         python-version: [3.8]  # , 3.9
 
@@ -107,7 +107,7 @@ jobs:
       fail-fast: false
       # max-parallel: 1
       matrix:
-        os: [ubuntu-20.04, macOS-10.15, windows-2019]
+        os: [ubuntu-20.04, macOS-11, windows-2019]
         python-version: [3.8]  # , 3.9
 
     steps:
diff --git a/src/lightning_app/cli/component-template/.github/workflows/ci-testing.yml b/src/lightning_app/cli/component-template/.github/workflows/ci-testing.yml
index ce4122b2a459c..6d59523e04b4e 100644
--- a/src/lightning_app/cli/component-template/.github/workflows/ci-testing.yml
+++ b/src/lightning_app/cli/component-template/.github/workflows/ci-testing.yml
@@ -15,8 +15,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macOS-10.15, windows-2019]
-        python-version: [3.8]
+        os: [ubuntu-20.04, macOS-11, windows-2019]
+        python-version: [3.7]
 
     # Timeout: https://stackoverflow.com/a/59076067/4521646
     timeout-minutes: 35