diff --git a/.github/workflows/e2e-cache-freethreaded.yml b/.github/workflows/e2e-cache-freethreaded.yml
index 2c28be52..6f1a667b 100644
--- a/.github/workflows/e2e-cache-freethreaded.yml
+++ b/.github/workflows/e2e-cache-freethreaded.yml
@@ -29,7 +29,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13.0t, 3.13.1t, 3.13.2t]
     steps:
@@ -56,7 +56,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13.1t, 3.13.2t, 3.13.5t]
     steps:
@@ -86,7 +86,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13.0, 3.13.1, 3.13.2]
     steps:
@@ -118,7 +118,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13.0t, 3.13.1t, 3.13.2t]
     steps:
@@ -146,7 +146,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13.1t, 3.13.2t, 3.13.5t]
     steps:
@@ -177,7 +177,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13.0t, 3.13.1t, 3.13.2t]
     steps:
@@ -205,7 +205,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13.0t, 3.13.1t, 3.13.2t]
     steps:
@@ -234,7 +234,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13.0t, 3.13.1t, 3.13.2t]
     steps:
@@ -260,7 +260,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13.0t, 3.13.1t, 3.13.2t]
     steps:
diff --git a/.github/workflows/e2e-cache.yml b/.github/workflows/e2e-cache.yml
index 363139a0..6365a853 100644
--- a/.github/workflows/e2e-cache.yml
+++ b/.github/workflows/e2e-cache.yml
@@ -29,7 +29,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version:
           [
@@ -72,7 +72,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version:
           ['3.10', 'pypy-3.10-v7.x', '3.11', 'pypy-3.11-v7.x', '3.12', '3.13']
@@ -129,7 +129,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version:
           [
@@ -170,7 +170,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version:
           [
@@ -213,7 +213,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version:
           ['3.10', 'pypy-3.10-v7.x', '3.11', 'pypy-3.11-v7.x', '3.12', '3.13']
@@ -269,7 +269,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
@@ -297,7 +297,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
@@ -326,7 +326,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
@@ -352,7 +352,7 @@ jobs:
             ubuntu-22.04-arm,
             windows-latest,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index 84586171..d4401928 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -25,7 +25,7 @@ jobs:
             ubuntu-latest,
             ubuntu-24.04-arm,
             macos-latest,
-            macos-13
+            macos-15-intel
           ]
     steps:
       - name: Checkout
diff --git a/.github/workflows/test-graalpy.yml b/.github/workflows/test-graalpy.yml
index f76d3001..3453ee9f 100644
--- a/.github/workflows/test-graalpy.yml
+++ b/.github/workflows/test-graalpy.yml
@@ -25,7 +25,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
         graalpy:
           - 'graalpy-22.3'
@@ -80,7 +80,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
         graalpy: ['graalpy22.3', 'graalpy23.0', 'graalpy23.1', 'graalpy24.1']
 
@@ -106,7 +106,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest, macos-13]
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-15-intel]
     steps:
       - uses: actions/checkout@v5
       - name: Setup GraalPy and check latest
diff --git a/.github/workflows/test-pypy.yml b/.github/workflows/test-pypy.yml
index e11ef272..e231514a 100644
--- a/.github/workflows/test-pypy.yml
+++ b/.github/workflows/test-pypy.yml
@@ -28,7 +28,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
         pypy:
           - 'pypy-2.7'
@@ -85,7 +85,7 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - macos-13
+          - macos-15-intel
           - macos-14
           - macos-15
           - windows-2022
@@ -144,7 +144,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
         pypy: ['pypy2.7', 'pypy3.9', 'pypy3.10-nightly', 'pypy3.11']
 
@@ -178,7 +178,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
     steps:
       - uses: actions/checkout@v5
@@ -220,7 +220,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
     steps:
       - uses: actions/checkout@v5
diff --git a/.github/workflows/test-python-freethreaded.yml b/.github/workflows/test-python-freethreaded.yml
index d7496dad..abba7a62 100644
--- a/.github/workflows/test-python-freethreaded.yml
+++ b/.github/workflows/test-python-freethreaded.yml
@@ -26,7 +26,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -63,7 +63,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -103,7 +103,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -141,7 +141,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -182,7 +182,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -223,7 +223,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -254,7 +254,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -294,7 +294,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -334,7 +334,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -373,7 +373,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
     steps:
       - name: Checkout
@@ -410,7 +410,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
     steps:
       - name: Checkout
@@ -446,7 +446,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -481,7 +481,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: [3.13t, 3.14t-dev]
     steps:
@@ -508,7 +508,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
     steps:
       - uses: actions/checkout@v5
@@ -535,7 +535,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
diff --git a/.github/workflows/test-python.yml b/.github/workflows/test-python.yml
index 602114ed..e9487245 100644
--- a/.github/workflows/test-python.yml
+++ b/.github/workflows/test-python.yml
@@ -26,7 +26,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -70,7 +70,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -117,7 +117,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -162,7 +162,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -212,7 +212,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -262,7 +262,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -296,7 +296,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -346,7 +346,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -396,7 +396,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -441,7 +441,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
     steps:
       - name: Checkout
@@ -478,7 +478,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
     steps:
       - name: Checkout
@@ -514,7 +514,7 @@ jobs:
             windows-latest,
             ubuntu-22.04,
             ubuntu-22.04-arm,
-            macos-13,
+            macos-15-intel,
             ubuntu-latest,
             ubuntu-24.04-arm
           ]
@@ -549,7 +549,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
         python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
@@ -582,7 +582,7 @@ jobs:
             ubuntu-22.04-arm,
             ubuntu-24.04-arm,
             ubuntu-latest,
-            macos-13
+            macos-15-intel
           ]
     steps:
       - uses: actions/checkout@v5