diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index a3a7bd763e43..f2735e2f0730 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -180,6 +180,7 @@ jobs:
     if: needs.pack.outputs.c-code-changes
     env:
       WXWIDGETS_VERSION: 3.2.6
+      MACOS_VERSION: 15
     steps:
       - uses: actions/checkout@v4.2.1
 
@@ -193,7 +194,7 @@ jobs:
         uses: actions/cache@v4.1.1
         with:
           path: wxWidgets
-          key: wxWidgets-${{ env.WXWIDGETS_VERSION }}-${{ runner.os }}-${{ hashFiles('.github/scripts/build-macos-wxwidgets.sh')}}-15
+          key: wxWidgets-${{ env.WXWIDGETS_VERSION }}-${{ runner.os }}-${{ hashFiles('.github/scripts/build-macos-wxwidgets.sh') }}-${{ env.MACOS_VERSION }}
 
       - name: Compile wxWidgets
         if: steps.wxwidgets-cache.outputs.cache-hit != 'true'