diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index b879b44..b3c1a67 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -106,7 +106,7 @@ jobs:
           - os: windows-latest
             arch: "AMD64"
 
-          - os: macos-14
+          - os: macos-15
             arch: "arm64"
 
           - os: macos-15-intel
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5937ff5..1b64dba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -80,7 +80,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - runs-on: macos-14
+          - runs-on: macos-15
             python-version: cp312
             arch: "arm64"