diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6a14456..8ef28a3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-11]
+        os: [ubuntu-latest, macos-14]
 
     # create steps
     steps:
diff --git a/.github/workflows/manually.yml b/.github/workflows/manually.yml
index 43ccc98..20d7172 100644
--- a/.github/workflows/manually.yml
+++ b/.github/workflows/manually.yml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-11]
+        os: [ubuntu-latest, macos-14]
 
     # create steps
     steps: