diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 500d186..3353c42 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -10,7 +10,7 @@ name: Build SpellChecker-Plugin
 on: [push]
 
 env:
-  QT_VERSION: "6.4.2"
+  QT_VERSION: "6.6.0"
   QT_CREATOR_VERSION: "12.0.0"
   QT_MIRRORS: download.qt.io;mirrors.ocf.berkeley.edu/qt;ftp.fau.de/qtproject;mirror.bit.edu.cn/qtproject