diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 80de82c4..4a9b2bcb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -120,10 +120,10 @@ jobs:
             python_version: "3.11"
           - os: windows-2025
             python_version: "3.12"
-          - os: macos-13
-            python_version: "3.12"
           - os: macos-14
             python_version: "3.12"
+          - os: macos-15
+            python_version: "3.12"
 
   paywalled-platforms:
     name: Tests on paywalled platforms
@@ -143,5 +143,5 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: macos-13-xlarge # Apple M1 CPU
+          - os: macos-14-xlarge # Apple M-series CPU
             python_version: "3.12"