diff --git a/debian/changelog b/debian/changelog
index 2f72956..68f727e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 lubuntu-default-settings (24.10.1) UNRELEASED; urgency=medium
 
   * Switch back to qpdfview from okular.
+  * Port snap-installation-monitor to Qt 6.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Wed, 03 Jul 2024 09:50:54 -0500
 
diff --git a/debian/control b/debian/control
index e80d87f..9c0d101 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: x11
 Priority: optional
 Maintainer: Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
 Uploaders: Simon Quigley <tsimonq2@ubuntu.com>
-Build-Depends: cmake, debhelper-compat (= 13), intltool, qtbase5-dev
+Build-Depends: cmake, debhelper-compat (= 13), intltool, qt6-base-dev
 Standards-Version: 4.6.2
 Homepage: https://lubuntu.me
 Vcs-Browser: https://git.launchpad.net/lubuntu-default-settings?h=master
diff --git a/snap-installation-monitor/CMakeLists.txt b/snap-installation-monitor/CMakeLists.txt
index 6e2d14e..ada5725 100644
--- a/snap-installation-monitor/CMakeLists.txt
+++ b/snap-installation-monitor/CMakeLists.txt
@@ -3,7 +3,10 @@ project(snap-installation-monitor)
 
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(CMAKE_AUTOMOC ON)
-find_package(Qt5 COMPONENTS Widgets DBus REQUIRED)
+find_package(Qt6 COMPONENTS Widgets DBus REQUIRED)
+
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 add_executable(snap-installation-monitor main.cpp)
-target_link_libraries(snap-installation-monitor Qt5::Widgets Qt5::DBus)
+target_link_libraries(snap-installation-monitor Qt6::Widgets Qt6::DBus)