diff --git a/appveyor.yml b/appveyor.yml
index 1e50dd57..9665d33e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,7 +5,7 @@ clone_depth: 1
 environment:
   matrix:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
-      QTDIR: C:\Qt\6.8
+      QTDIR: C:\Qt\6.9
     - APPVEYOR_BUILD_WORKER_IMAGE: macOS-Sonoma
       BUILD_TARGET: macos
       QTDIR: Qt/6.6
diff --git a/scripts/appveyor/target_qt.conf b/scripts/appveyor/target_qt.conf
index eb396a40..46087d66 100644
--- a/scripts/appveyor/target_qt.conf
+++ b/scripts/appveyor/target_qt.conf
@@ -1,5 +1,5 @@
 [DevicePaths]
-Prefix=C:/Qt/Qt-6.8
+Prefix=C:/Qt/Qt-6.9
 [Paths]
 Prefix=../
 Documentation=./doc
@@ -24,5 +24,5 @@ Sysroot=
 SysrootifyPrefix=false
 TargetSpec=win32-arm64-msvc
 HostSpec=
-Documentation=../../Docs/Qt-6.8
-Examples=../../Examples/Qt-6.8
\ No newline at end of file
+Documentation=../../Docs/Qt-6.9
+Examples=../../Examples/Qt-6.9
\ No newline at end of file