diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 19fbee59..186ff332 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -28,7 +28,7 @@ env:
 
 jobs:
   build_python:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     steps:
       - name: Install dependencies
         run: |
@@ -65,7 +65,7 @@ jobs:
           path: python.tar.gz
 
   build_boost:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     steps:
       - name: Install dependencies
         run: brew install ccache
@@ -110,7 +110,7 @@ jobs:
           path: tbb.tar.gz
 
   build_xercesc:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     steps:
       - name: Install dependencies
         run: brew install cmake ccache
@@ -143,7 +143,7 @@ jobs:
           path: xercesc.tar.gz
 
   build_root:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     needs:
       - build_python
       - build_tbb
@@ -202,7 +202,7 @@ jobs:
           path: root.tar.gz
 
   build_geant4:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     needs:
       - build_xercesc
     steps:
@@ -248,7 +248,7 @@ jobs:
           path: geant4.tar.gz
 
   build_podio:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     needs:
       - build_python
       - build_root
@@ -304,7 +304,7 @@ jobs:
           path: podio.tar.gz
 
   build_edm4hep:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     needs:
       - build_python
       - build_root
@@ -367,7 +367,7 @@ jobs:
           path: edm4hep.tar.gz
 
   build_dd4hep:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     needs:
       - build_python
       - build_boost
@@ -463,7 +463,7 @@ jobs:
           path: dd4hep.tar.gz
 
   build_hepmc3:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     needs:
       - build_root
     steps:
@@ -508,7 +508,7 @@ jobs:
           path: hepmc3.tar.gz
 
   build_pythia8:
-    runs-on: macos-14-x86_64
+    runs-on: macos-13
     needs: 
       - build_python
     steps: