diff --git a/appveyor.yml b/appveyor.yml
index 13f48a9..aca97c4 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 0.4.1.{build}
+version: 0.4.2.{build}
 image: Visual Studio 2022
 environment:
   CC: cl.exe
diff --git a/qtbuild_6.5.3/qt-heic-image-plugin_win64.pro b/qtbuild_6.5.3/qt-heic-image-plugin_win64.pro
index d8524db..f98ac13 100644
--- a/qtbuild_6.5.3/qt-heic-image-plugin_win64.pro
+++ b/qtbuild_6.5.3/qt-heic-image-plugin_win64.pro
@@ -13,7 +13,7 @@ TEMPLATE = lib
 CONFIG += release skip_target_version_ext c++14 warn_on plugin
 CONFIG -= separate_debug_info debug debug_and_release force_debug_info
 
-win32:VERSION = 0.4.1
+win32:VERSION = 0.4.2
 QMAKE_TARGET_COMPANY = "Daniel Novomesky"
 QMAKE_TARGET_PRODUCT = "qt-heic-image-plugin"
 QMAKE_TARGET_DESCRIPTION = "Qt plug-in to allow Qt and KDE based applications to read HEIF/HEIC/HEJ2 images."
diff --git a/qtbuild_6.7.1/qt-heic-image-plugin_win64.pro b/qtbuild_6.7.1/qt-heic-image-plugin_win64.pro
index bad76b9..b601d00 100644
--- a/qtbuild_6.7.1/qt-heic-image-plugin_win64.pro
+++ b/qtbuild_6.7.1/qt-heic-image-plugin_win64.pro
@@ -13,7 +13,7 @@ TEMPLATE = lib
 CONFIG += release skip_target_version_ext c++14 warn_on plugin
 CONFIG -= separate_debug_info debug debug_and_release force_debug_info
 
-win32:VERSION = 0.4.1
+win32:VERSION = 0.4.2
 QMAKE_TARGET_COMPANY = "Daniel Novomesky"
 QMAKE_TARGET_PRODUCT = "qt-heic-image-plugin"
 QMAKE_TARGET_DESCRIPTION = "Qt plug-in to allow Qt and KDE based applications to read HEIF/HEIC/HEJ2 images."