diff --git a/.github/workflows/ci-linux-osx-win-conda.yml b/.github/workflows/ci-linux-osx-win-conda.yml
index 8eb54e4a2..34191e96f 100644
--- a/.github/workflows/ci-linux-osx-win-conda.yml
+++ b/.github/workflows/ci-linux-osx-win-conda.yml
@@ -20,7 +20,7 @@ jobs:
       fail-fast: false
       matrix:
         build_type: [Release, Debug]
-        name: [ubuntu-latest, macos-latest, windows-latest-clang-cl, windows-latest, macos-13]
+        name: [ubuntu-latest, macos-latest, windows-latest-clang-cl, windows-latest, macos-15-intel]
         cxx_std: [17, 20]
         continue_on_error: [false]
 
@@ -29,8 +29,8 @@ jobs:
             os: ubuntu-latest
           - name: macos-latest
             os: macos-latest
-          - name: macos-13
-            os: macos-13
+          - name: macos-15-intel
+            os: macos-15-intel
           - name: windows-latest-clang-cl
             os: windows-latest
             compiler: clang-cl
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 3a20d0d89..3888180cb 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
     strategy:
       matrix:
-        os: ["ubuntu-24.04", "ubuntu-24.04-arm", "macos-13", "macos-14"]
+        os: ["ubuntu-24.04", "ubuntu-24.04-arm", "macos-15-intel", "macos-14"]
     steps:
       - uses: actions/checkout@v5
       - uses: cachix/install-nix-action@v31
diff --git a/.github/workflows/release-osx-win.yml b/.github/workflows/release-osx-win.yml
index f53f5230b..8533caeb9 100644
--- a/.github/workflows/release-osx-win.yml
+++ b/.github/workflows/release-osx-win.yml
@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
-        os: [macos-13, macos-14, windows-2022]
+        os: [macos-15-intel, macos-14, windows-2022]
         include:
           - os: windows-2022
             toolset: v143