diff --git a/CMakeLists.txt b/CMakeLists.txt
index 20dfaa54a..ba5a42d5e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -139,20 +139,14 @@ add_subdirectory(mpcksum)
 add_subdirectory(gbalink)
 add_subdirectory(visigen)
 
-# Test for supported Qt version
-find_program(QMAKE_EXECUTABLE NAMES qmake HINTS ${QTDIR} ENV QTDIR PATH_SUFFIXES bin)
-if (QMAKE_EXECUTABLE)
-    set(QT_MINIMUM_VERSION 5.3.0)
-    execute_process(COMMAND ${QMAKE_EXECUTABLE} -query QT_VERSION OUTPUT_VARIABLE QT_VERSION)
-    if(QT_VERSION LESS QT_MINIMUM_VERSION)
-        message("Qt version ${QT_VERSION} does not meet the minimum ${QT_MINIMUM_VERSION} requirement, hecl-gui will not be built")
-    else()
-        message("hecl-gui will be built with Qt verion ${QT_VERSION}")
-        add_subdirectory(hecl-gui)
-    endif()
+find_package(Qt5Widgets)
+if (Qt5Widgets_FOUND)
+    message("Qt5 found, hecl-gui will be built")
+    add_subdirectory(hecl-gui)
 else()
-    message("Qt not found, hecl-gui will not be built")
+    message("Qt5 not found, hecl-gui will not be built")
 endif()
+
 unset(GIT_EXECUTABLE CACHE)
 find_package(Git)
 if(GIT_FOUND)
diff --git a/hecl-gui b/hecl-gui
index 2113bed95..fb20c5e4d 160000
--- a/hecl-gui
+++ b/hecl-gui
@@ -1 +1 @@
-Subproject commit 2113bed95f80fea497e56deec12ea5364b858a3f
+Subproject commit fb20c5e4df58f1f0c46e395615340d21285fd97a