diff --git a/clean_build.bat b/clean_build.bat
index b1f0410c..8d241926 100644
--- a/clean_build.bat
+++ b/clean_build.bat
@@ -3,7 +3,7 @@
 REM defaults - override them by creating a build_env.bat file
 set B_BUILD_TYPE=Debug
 set B_QT_ROOT=C:\Qt
-set B_QT_VER=5.11.1
+set B_QT_VER=5.11.2
 set B_QT_MSVC=msvc2017_64
 set B_BONJOUR=C:\Program Files\Bonjour SDK