diff --git a/.github/workflows/CI-windows.yml b/.github/workflows/CI-windows.yml
index 66858c7afbe..14c9b84e547 100644
--- a/.github/workflows/CI-windows.yml
+++ b/.github/workflows/CI-windows.yml
@@ -25,7 +25,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-2022, windows-2025]
-        qt_ver: [6.10.0]
+        qt_ver: [6.11.1]
       fail-fast: false
 
     runs-on: ${{ matrix.os }}
@@ -125,7 +125,7 @@ jobs:
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
         with:
-          version: 6.10.0
+          version: 6.11.1
           modules: 'qtcharts'
           setup-python: 'false'
           cache: true
diff --git a/.github/workflows/clang-tidy.yml b/.github/workflows/clang-tidy.yml
index 4f2db4ab113..c4c8111da7d 100644
--- a/.github/workflows/clang-tidy.yml
+++ b/.github/workflows/clang-tidy.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     env:
-      QT_VERSION: 6.10.0
+      QT_VERSION: 6.11.1
 
     steps:
       - uses: actions/checkout@v6
diff --git a/.github/workflows/iwyu.yml b/.github/workflows/iwyu.yml
index 2e54b92541e..a0b9ddad12a 100644
--- a/.github/workflows/iwyu.yml
+++ b/.github/workflows/iwyu.yml
@@ -2,10 +2,7 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: include-what-you-use
 
-on:
-  schedule:
-    - cron: '0 0 * * 0'
-  workflow_dispatch:
+on: [push, pull_request]
 
 permissions:
   contents: read
@@ -36,7 +33,7 @@ jobs:
       image: ${{ matrix.image }}
 
     env:
-      QT_VERSION: 6.10.0
+      QT_VERSION: 6.11.1
 
     steps:
       - uses: actions/checkout@v6
@@ -196,7 +193,7 @@ jobs:
     if: ${{ github.repository_owner == 'cppcheck-opensource' }}
 
     env:
-      QT_VERSION: 6.10.0
+      QT_VERSION: 6.11.1
 
     steps:
       - uses: actions/checkout@v6
diff --git a/.github/workflows/release-windows.yml b/.github/workflows/release-windows.yml
index aa467d7b875..8b006e8fd6a 100644
--- a/.github/workflows/release-windows.yml
+++ b/.github/workflows/release-windows.yml
@@ -2,13 +2,7 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: release-windows
 
-on:
-  push:
-    tags:
-      - '2.*'
-  schedule:
-    - cron:  '0 0 * * *'
-  workflow_dispatch:
+on: [pull_request, push]
 
 permissions:
   contents: read
@@ -28,7 +22,7 @@ jobs:
       PYTHON_VERSION: 3.14
       # see https://www.pcre.org/original/changelog.txt
       PCRE_VERSION: 8.45
-      QT_VERSION: 6.10.0
+      QT_VERSION: 6.11.1
       BOOST_MINOR_VERSION: 89
 
     steps:
diff --git a/.github/workflows/sanitizers.yml b/.github/workflows/sanitizers.yml
index 9d5a6007a69..901fe319960 100644
--- a/.github/workflows/sanitizers.yml
+++ b/.github/workflows/sanitizers.yml
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     env:
-      QT_VERSION: 6.10.0
+      QT_VERSION: 6.11.1
       ASAN_OPTIONS: detect_stack_use_after_return=1
       TSAN_OPTIONS: halt_on_error=1
       UBSAN_OPTIONS: print_stacktrace=1:halt_on_error=1:report_error_type=1
diff --git a/.github/workflows/selfcheck.yml b/.github/workflows/selfcheck.yml
index 77d6d1bc483..843e005a882 100644
--- a/.github/workflows/selfcheck.yml
+++ b/.github/workflows/selfcheck.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     env:
-      QT_VERSION: 6.10.0
+      QT_VERSION: 6.11.1
 
     steps:
       - uses: actions/checkout@v6
diff --git a/releasenotes.txt b/releasenotes.txt
index 33fd4106800..c53ee4cb996 100644
--- a/releasenotes.txt
+++ b/releasenotes.txt
@@ -24,4 +24,4 @@ Infrastructure & dependencies:
   These describe the default setup for that OS. The arm64-wchar_t2.xml and arm64-wchar_t4.xml files are kept.
 
 Other:
--
+- Updated Qt to 6.11.1 (official binary only).