diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 4d8cb7f..9e5d736 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -24,14 +24,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-13]
+        os: [ubuntu-latest, windows-latest, macos-15]
         unity-version: [2021.3.x, 2022.3.x, 6000.0.x]
         include: # for each os specify the build targets
           - os: ubuntu-latest
             build-target: StandaloneLinux64
           - os: windows-latest
             build-target: StandaloneWindows64
-          - os: macos-13
+          - os: macos-15
             build-target: StandaloneOSX
     steps:
       - uses: actions/checkout@v4