diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8716d9c..adcb377 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -52,7 +52,7 @@ jobs:
     strategy:
       fail-fast: False
       matrix:
-        os: [ ubuntu-latest, macos-latest, macos-14 ]
+        os: [ ubuntu-latest, macos-13, macos-14 ]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -90,7 +90,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ windows-latest, ubuntu-latest, macos-latest, macos-14 ]
+        os: [ windows-latest, ubuntu-latest, macos-13, macos-14 ]
         python-version: [ '3.9', '3.10', '3.11', '3.12' ]
 
     steps: