diff --git a/CMakeLists.txt b/CMakeLists.txt
index d618106d8..2d6a33126 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -251,8 +251,8 @@ set(QT_FIND_COMPONENTS Core Concurrent Widgets Network Svg Positioning Quick Loc
 if (SUBSURFACE_TARGET_EXECUTABLE MATCHES "DesktopExecutable")
 	find_package(Qt5 5.9.1 REQUIRED COMPONENTS ${QT_FIND_COMPONENTS} LinguistTools Test QuickTest)
 else()
-	# Kirigami 5.62 and newer require at least Qt 5.11
-	find_package(Qt5 5.11 REQUIRED COMPONENTS ${QT_FIND_COMPONENTS} LinguistTools Test QuickTest)
+	# Kirigami 5.62 and newer require at least Qt 5.12
+	find_package(Qt5 5.12 REQUIRED COMPONENTS ${QT_FIND_COMPONENTS} LinguistTools Test QuickTest)
 endif()
 foreach(_QT_COMPONENT ${QT_FIND_COMPONENTS})
 	list(APPEND QT_LIBRARIES Qt5::${_QT_COMPONENT})
diff --git a/INSTALL b/INSTALL
index 46fbfd367..52b05cf2b 100644
--- a/INSTALL
+++ b/INSTALL
@@ -62,8 +62,8 @@ Getting Qt5
 
 We use Qt5 in order to only maintain one UI across platforms.
 
-Qt5.9.1 is the oldest version supported if ONLY building Subsurface (desktop version)
-Qt5.11 is the oldest version supported if also building Subsurface-mobile (ios/android)
+Qt5.9.1 is the oldest version supported if ONLY building Subsurface
+Qt5.12 is the oldest version supported if also building Subsurface-mobile
 
 Download the Open Source version from https://www.qt.io/download and 
 follow the Qt instructions to install it or alternatively follow the