diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 2f24ee9a8..8edb33f74 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -235,7 +235,7 @@ jobs:
 
     env:
       # Keep compat with MacOS 10.15 aka Catalina by Qt 6.4
-      QT_VERSION: 6.8.0
+      QT_VERSION: 6.4.3
       QIF_VERSION: 4.6
       PROD_AGW_PUBLIC_KEY: ${{ secrets.PROD_AGW_PUBLIC_KEY }}
       DEV_AGW_PUBLIC_KEY: ${{ secrets.DEV_AGW_PUBLIC_KEY }}
@@ -244,7 +244,7 @@ jobs:
     - name: 'Setup xcode'
       uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '16.1.0'
+        xcode-version: '15.4.0'
 
     - name: 'Install Qt'
       uses: jurplel/install-qt-action@v3