diff --git a/.github/workflows/native-cpu-multiarch.yml b/.github/workflows/native-cpu-multiarch.yml
index 2e42f4bc..d813a18b 100644
--- a/.github/workflows/native-cpu-multiarch.yml
+++ b/.github/workflows/native-cpu-multiarch.yml
@@ -47,7 +47,7 @@ jobs:
           # Re-add once the runner-side issue is resolved (or replace with
           # a self-hosted ARM64 runner). Linux ARM64 consumers fall back
           # to the priority-50 Panama Vector provider until then.
-          - os: macos-14
+          - os: macos-15
             arch_label: macos-arm64
             lib_name: libskainet_kernels.dylib
           - os: windows-latest
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ff81aba4..2bdd2a7f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -59,7 +59,7 @@ jobs:
           - os: ubuntu-latest
             arch_label: linux-x86_64
             lib_name: libskainet_kernels.so
-          - os: macos-14
+          - os: macos-15
             arch_label: macos-arm64
             lib_name: libskainet_kernels.dylib
           - os: windows-latest