diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index cd9848d..374bbe5 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
         with:
-          version: "6.8.2"
+          version: "6.10.1"
           host: linux
           target: desktop
           arch: linux_gcc_64
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 80de5b1..bc97327 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
         with:
-          version: "6.8.2"
+          version: "6.10.1"
           host: mac
           target: desktop
           arch: clang_64
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index f4390ed..87c4a16 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
         with:
-          version: "6.8.2"
+          version: "6.10.1"
           host: windows
           target: desktop
           arch: win64_msvc2022_64
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ad08bd..f28410d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v1.3.2
+
+- Update CMake configuration to use GNUInstallDirs for standard installation paths.
+- Update export and install commands to use project namespace.
+- Fix compatibility with Qt6 < 6.4.
+
 ## v1.3.1
 
 - Remove `#pragma region` and `#pragma endregion` comments.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2e4e07e..ecfe322 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 # Set project information.
 project("QtAppInstanceManager"
   LANGUAGES CXX
-  VERSION 1.3.1.0
+  VERSION 1.3.2.0
   DESCRIPTION "A tool to communicate between the instances of your Qt application."
   HOMEPAGE_URL "https://github.com/oclero/QtAppInstanceManager"
 )
@@ -26,9 +26,20 @@ if(NOT CMAKE_OSX_DEPLOYMENT_TARGET)
 endif()
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
 
+# Include GNUInstallDirs for standard installation paths.
+include(GNUInstallDirs)
+
 # Find Qt.
 find_package(Qt6 REQUIRED COMPONENTS Core Network)
-qt_standard_project_setup()
+
+# qt_standard_project_setup() is only available in Qt >= 6.3.
+if(COMMAND qt_standard_project_setup)
+  qt_standard_project_setup()
+else()
+  set(CMAKE_AUTOMOC ON)
+  set(CMAKE_AUTOUIC ON)
+  set(CMAKE_AUTORCC ON)
+endif()
 
 # The library.
 add_subdirectory(src)
diff --git a/CMakePresets.json b/CMakePresets.json
index 447a464..4c6610a 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -63,9 +63,7 @@
       "displayName": "macOS",
       "configurePreset": "macos",
       "description": "Release build for macOS",
-      "targets": [
-        "QtAppInstanceManager"
-      ],
+      "targets": ["QtAppInstanceManager"],
       "configuration": "Release",
       "condition": {
         "type": "equals",
@@ -78,9 +76,7 @@
       "displayName": "Tests for macOS",
       "configurePreset": "macos",
       "description": "Tests release build for macOS",
-      "targets": [
-        "QtAppInstanceManagerTests"
-      ],
+      "targets": ["QtAppInstanceManagerTests"],
       "configuration": "Release",
       "condition": {
         "type": "equals",
@@ -93,9 +89,7 @@
       "displayName": "Windows",
       "configurePreset": "windows",
       "description": "Release build for Windows",
-      "targets": [
-        "QtAppInstanceManager"
-      ],
+      "targets": ["QtAppInstanceManager"],
       "configuration": "Release",
       "condition": {
         "type": "equals",
@@ -108,9 +102,7 @@
       "displayName": "Tests for Windows",
       "configurePreset": "windows",
       "description": "Tests release build for Windows",
-      "targets": [
-        "QtAppInstanceManagerTests"
-      ],
+      "targets": ["QtAppInstanceManagerTests"],
       "configuration": "Release",
       "condition": {
         "type": "equals",
@@ -123,9 +115,7 @@
       "displayName": "Linux",
       "configurePreset": "linux",
       "description": "Release build for Linux",
-      "targets": [
-        "QtAppInstanceManager"
-      ],
+      "targets": ["QtAppInstanceManager"],
       "configuration": "Release",
       "condition": {
         "type": "equals",
@@ -138,9 +128,7 @@
       "displayName": "Tests for Linux",
       "configurePreset": "linux",
       "description": "Tests release build for Linux",
-      "targets": [
-        "QtAppInstanceManagerTests"
-      ],
+      "targets": ["QtAppInstanceManagerTests"],
       "configuration": "Release",
       "condition": {
         "type": "equals",
@@ -159,8 +147,7 @@
       },
       "execution": {
         "noTestsAction": "error",
-        "stopOnFailure": false,
-        "rerun-failed": true
+        "stopOnFailure": false
       },
       "condition": {
         "type": "equals",
@@ -177,8 +164,7 @@
       },
       "execution": {
         "noTestsAction": "error",
-        "stopOnFailure": false,
-        "rerun-failed": true
+        "stopOnFailure": false
       },
       "condition": {
         "type": "equals",
@@ -195,8 +181,7 @@
       },
       "execution": {
         "noTestsAction": "error",
-        "stopOnFailure": false,
-        "rerun-failed": true
+        "stopOnFailure": false
       },
       "condition": {
         "type": "equals",
diff --git a/cmake/config.cmake.in b/cmake/config.cmake.in
index 9425122..0d0b0a7 100644
--- a/cmake/config.cmake.in
+++ b/cmake/config.cmake.in
@@ -3,6 +3,6 @@
 include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
 include(CMakeFindDependencyMacro)
 
-find_dependency(Qt6 REQUIRED COMPONENTS Core Widgets Svg)
+find_dependency(Qt6 REQUIRED COMPONENTS Core Network)
 
 check_required_components(@PROJECT_NAME@)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 26b57cf..a4fc263 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -88,7 +88,7 @@ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/"
 
 install(EXPORT "${PROJECT_NAME}Targets"
   FILE "${PROJECT_NAME}Targets.cmake"
-  NAMESPACE ${PROJECT_NAME}::
+  NAMESPACE ${PROJECT_NAMESPACE}::
   DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
 )
 
@@ -100,5 +100,5 @@ install(FILES
 
 export(EXPORT "${PROJECT_NAME}Targets"
   FILE "${CMAKE_BINARY_DIR}/cmake/${PROJECT_NAME}Targets.cmake"
-  NAMESPACE ${PROJECT_NAME}::
+  NAMESPACE ${PROJECT_NAMESPACE}::
 )