diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 861fa8f..0ea3f46 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -26,7 +26,7 @@ jobs:
     - name: Install Qt
       uses: jurplel/install-qt-action@v3
       with:
-        version: '6.2.0'
+        version: '6.6.3'
         setup-python: 'false'
         # mirror: 'http://mirrors.ocf.berkeley.edu/qt/'
     - name: Install python dependencies
diff --git a/requirements.txt b/requirements.txt
index a868d9d..05bd35f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-PyQt6~=6.5.0
+PyQt6~=6.6.3
 PyQt6-sip~=13.6.0