diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 4a2650d..5cf3f92 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   build:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
       - name: Setup Xcode
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3705910..440be05 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
       - name: Setup Xcode