diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index fb1b51f..75f4ba2 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -12,7 +12,7 @@ jobs:
     - name: Install Qt
       uses: jurplel/install-qt-action@v4
       with:
-        version: '6.10.3'
+        version: '6.11.2'
         modules: 'qtimageformats'
         cache: true
     - name: Install Conan and Dependencies
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 4b4e153..fb965cd 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -47,7 +47,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - qt_ver: '6.10.3'
+          - qt_ver: '6.11.2'
             vs: '2022'
             aqt_arch: 'win64_msvc2022_64'
             msvc_arch: 'x64'
@@ -63,6 +63,8 @@ jobs:
         version: ${{ matrix.qt_ver }}
         modules: 'qtimageformats'
         cache: true
+        # we need this until miurahr/aqtinstall#1007 ships 3.3.1 for Qt >= 6.11.0 for Windows.
+        aqtsource: 'aqtinstall @ git+https://github.com/miurahr/aqtinstall@16db45a70b5905ad596941b223469bc86a56901e'
     - name: Build
       shell: cmd
       run: |