diff --git a/.github/workflows/Build.yml b/.github/workflows/Build.yml
index 234ba97..47c1b1c 100644
--- a/.github/workflows/Build.yml
+++ b/.github/workflows/Build.yml
@@ -190,8 +190,8 @@ jobs:
           name: LibreVNA-GUI-OSX-latest-${{env.LIBREVNA_VERSION}}
           path: Software/PC_Application/LibreVNA-GUI/LibreVNA-GUI.zip
     
-  PC_Application_OSX_13:
-    runs-on: macos-13
+  PC_Application_OSX_15:
+    runs-on: macos-15-intel
     steps:
       - uses: actions/checkout@v4
 
@@ -230,7 +230,7 @@ jobs:
           LIBREVNA_VERSION: "${{steps.id_version.outputs.app_version}}"
         uses: actions/upload-artifact@v4
         with:
-          name: LibreVNA-GUI-OSX-13.7-${{env.LIBREVNA_VERSION}}
+          name: LibreVNA-GUI-OSX-15-${{env.LIBREVNA_VERSION}}
           path: Software/PC_Application/LibreVNA-GUI/LibreVNA-GUI.zip
   
   Embedded_Firmware:
diff --git a/.github/workflows/Release_tag_stable.yml b/.github/workflows/Release_tag_stable.yml
index 700f3a3..b38a4b6 100644
--- a/.github/workflows/Release_tag_stable.yml
+++ b/.github/workflows/Release_tag_stable.yml
@@ -211,9 +211,9 @@ jobs:
           asset_name: LibreVNA-GUI-OSX-latest-${{env.LIBREVNA_VERSION}}.zip
           asset_content_type: application/tar+gzip
 
-  PC_Application_OSX_13:
+  PC_Application_OSX_15:
     needs: PC_Application_Ubuntu
-    runs-on: macos-13
+    runs-on: macos-15-intel
     steps:
       - uses: actions/checkout@v4
 
@@ -251,7 +251,7 @@ jobs:
         with:
           upload_url: ${{ needs.PC_Application_Ubuntu.outputs.upload_url }}
           asset_path: ./Software/PC_Application/LibreVNA-GUI/LibreVNA-GUI.zip
-          asset_name: LibreVNA-GUI-OSX-13.7-${{env.LIBREVNA_VERSION}}.zip
+          asset_name: LibreVNA-GUI-OSX-15-${{env.LIBREVNA_VERSION}}.zip
           asset_content_type: application/tar+gzip
           
   Embedded_Firmware: