diff --git a/appveyor.yml b/appveyor.yml
index 4b7262600..f049f2443 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -51,8 +51,8 @@ environment:
       BUILD_SYSTEM: "qbs"
       QMAKE: qmake.exe
       ENABLE_PCH: true
-      GCC_VERSION: 13.1
-      MINGW_PATH: C:\msys64\mingw64\bin
+      GCC_VERSION: 9.0
+      MINGW_PATH: C:\Qt\6.5\mingw_64\bin
       ARCH: x64
       PYTHON: "C:\\Python311-x64"
       PLATFORM: "Windows10+"
@@ -153,8 +153,8 @@ environment:
       BUILD_SYSTEM: "qbs"
       QMAKE: qmake.exe
       ENABLE_PCH: true
-      GCC_VERSION: 13.1
-      MINGW_PATH: C:\msys64\mingw64\bin
+      GCC_VERSION: 9.0
+      MINGW_PATH: C:\Qt\6.5\mingw_64\bin
       ARCH: x64
       PYTHON: "C:\\Python311-x64"
       PLATFORM: "Windows10+"