diff --git a/.cirrus.yml b/.cirrus.yml
index f37682774a..affb260f4a 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -7,7 +7,7 @@ env:
   BUILD_SOURCEBRANCHNAME: $CIRRUS_BRANCH
   RPCS3_TOKEN: ENCRYPTED[!a4c3850e29ab150692286a74bec29819d25971a7ec431b86de2a35f7ed90c5b2ab3c93469f9298e30924d843599110e9!]
   QT_VER_MAIN: '6'
-  QT_VER: '6.6.3'
+  QT_VER: '6.7.0'
 
 # windows_task:
 #   matrix:
@@ -21,7 +21,7 @@ env:
 #     COMPILER: msvc
 #     BUILD_ARTIFACTSTAGINGDIRECTORY: ${CIRRUS_WORKING_DIR}\artifacts\
 #     QT_VER_MSVC: 'msvc2019'
-#     QT_DATE: '202403191840'
+#     QT_DATE: '202403252230'
 #     QTDIR: C:\Qt\${QT_VER}\${QT_VER_MSVC}_64
 #     VULKAN_VER: '1.3.268.0'
 #     VULKAN_SDK_SHA: '8459ef49bd06b697115ddd3d97c9aec729e849cd775f5be70897718a9b3b9db5'
diff --git a/BUILDING.md b/BUILDING.md
index 5d71f1d104..c2995f4da0 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -9,11 +9,11 @@ Other instructions may be found [here](https://wiki.rpcs3.net/index.php?title=Bu
 
 * [CMake 3.28.0+](https://www.cmake.org/download/) (add to PATH)
 * [Python 3.6+](https://www.python.org/downloads/) (add to PATH)
-* [Qt 6.6.3](https://www.qt.io/download-qt-installer)
+* [Qt 6.7.0](https://www.qt.io/download-qt-installer)
 * [Visual Studio 2022](https://visualstudio.microsoft.com/thank-you-downloading-visual-studio/?sku=Community) (or at least Visual Studio 2019 16.11.xx+ as C++20 is not included in previous versions)
 * [Vulkan SDK 1.3.268.0](https://vulkan.lunarg.com/sdk/home) (See "Install the SDK" [here](https://vulkan.lunarg.com/doc/sdk/latest/windows/getting_started.html)) for now future SDKs don't work. You need precisely 1.3.268.0.
 
-**Either add the** `QTDIR` **environment variable, e.g.** `<QtInstallFolder>\6.6.3\msvc2019_64\` **, or use the [Visual Studio Qt Plugin](https://marketplace.visualstudio.com/items?itemName=TheQtCompany.QtVisualStudioTools2019)**
+**Either add the** `QTDIR` **environment variable, e.g.** `<QtInstallFolder>\6.7.0\msvc2019_64\` **, or use the [Visual Studio Qt Plugin](https://marketplace.visualstudio.com/items?itemName=TheQtCompany.QtVisualStudioTools2019)**
 
 **NOTE: If you have issues with the Qt plugin, you may want to uninstall the Qt Plugin and install the [Legacy Qt Plugin](https://marketplace.visualstudio.com/items?itemName=TheQtCompany.LEGACYQtVisualStudioTools2019) instead.**
 
@@ -23,7 +23,7 @@ These are the essentials tools to build RPCS3 on Linux. Some of them can be inst
 
 * Clang 17+ or GCC 13+
 * [CMake 3.28.0+](https://www.cmake.org/download/)
-* [Qt 6.6.3](https://www.qt.io/download-qt-installer)
+* [Qt 6.7.0](https://www.qt.io/download-qt-installer)
 * [Vulkan SDK 1.3.268.0](https://vulkan.lunarg.com/sdk/home) (See "Install the SDK" [here](https://vulkan.lunarg.com/doc/sdk/latest/linux/getting_started.html)) for now future SDKs don't work. You need precisely 1.3.268.0.
 * [SDL2](https://github.com/libsdl-org/SDL/releases) (for the FAudio backend)
 
@@ -98,7 +98,7 @@ git submodule update --init
 #### Configuring the Qt plugin (if used)
 
 1) Go to `Extensions->Qt VS Tools->Qt Versions`.
-2) Add the path to your Qt installation with compiler e.g. `<QtInstallFolder>\6.6.3\msvc2019_64`, version will fill in automatically.
+2) Add the path to your Qt installation with compiler e.g. `<QtInstallFolder>\6.7.0\msvc2019_64`, version will fill in automatically.
 3) Go to `Extensions->Qt VS Tools->Options->Legacy Project Format`. (Only available in the legacy Qt plugin)
 4) Set `Build: Run pre-build setup` to `true`. (Only available in the legacy Qt plugin)
 
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index f17a793fe8..9371a9105a 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -69,9 +69,9 @@ jobs:
   variables:
     COMPILER: msvc
     QT_VER_MAIN: '6'
-    QT_VER: '6.6.3'
+    QT_VER: '6.7.0'
     QT_VER_MSVC: 'msvc2019'
-    QT_DATE: '202403191840'
+    QT_DATE: '202403252230'
     QTDIR: C:\Qt\$(QT_VER)\$(QT_VER_MSVC)_64
     VULKAN_VER: '1.3.268.0'
     VULKAN_SDK_SHA: '8459ef49bd06b697115ddd3d97c9aec729e849cd775f5be70897718a9b3b9db5'
@@ -132,7 +132,7 @@ jobs:
     UPLOAD_REPO_FULL_NAME: "RPCS3/rpcs3-binaries-mac"
     RELEASE_MESSAGE: "../GitHubReleaseMessage.txt"
     ARTDIR: $(Build.ArtifactStagingDirectory)
-    QT_VER: '6.6.3'
+    QT_VER: '6.7.0'
     QT_VER_MAIN: '6'
     LLVM_COMPILER_VER: '16'
 
diff --git a/rpcs3/rpcs3qt/gui_application.cpp b/rpcs3/rpcs3qt/gui_application.cpp
index 75851834fd..0b1cce3e37 100644
--- a/rpcs3/rpcs3qt/gui_application.cpp
+++ b/rpcs3/rpcs3qt/gui_application.cpp
@@ -887,8 +887,17 @@ void gui_application::OnChangeStyleSheetRequest()
 	// Determine default style
 	if (m_default_style.isEmpty())
 	{
+#ifdef _WIN32
+		// On windows, the custom stylesheets don't seem to work properly unless we use the windowsvista style as default
+		if (QStyleFactory::keys().contains("windowsvista"))
+		{
+			m_default_style = "windowsvista";
+			gui_log.notice("Using '%s' as default style", m_default_style);
+		}
+#endif
+
 		// Use the initial style as default style
-		if (const QStyle* style = QApplication::style())
+		if (const QStyle* style = m_default_style.isEmpty() ? QApplication::style() : nullptr)
 		{
 			m_default_style = style->name();
 			gui_log.notice("Determined '%s' as default style", m_default_style);