diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 6497356fb..1d13da413 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -26,7 +26,7 @@ jobs:
   
   mac-build-x64:
     name: "Mac Build x64"
-    runs-on: macos-13
+    runs-on: macos-14
     timeout-minutes: 90
     steps:
       - name: Checkout code
diff --git a/.github/workflows/nuget-build.yml b/.github/workflows/nuget-build.yml
index 1ea5b419a..0dc7808d0 100644
--- a/.github/workflows/nuget-build.yml
+++ b/.github/workflows/nuget-build.yml
@@ -110,7 +110,7 @@ jobs:
           retention-days: 1
 
   build-macos-x64:
-    runs-on: macos-13
+    runs-on: macos-14
     steps:
       - name: Checkout code
         uses: actions/checkout@v6.0.1
@@ -131,7 +131,7 @@ jobs:
           retention-days: 1
 
   build-macos-arm64:
-    runs-on: macos-13
+    runs-on: macos-14
     steps:
       - name: Checkout code
         uses: actions/checkout@v6.0.1