diff --git a/CMakeLists.txt b/CMakeLists.txt
index 03ba37a..a7cec50 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 3.25)
 project(QtPMbrowser VERSION 2.4.5 LANGUAGES CXX)
+set(MY_RELEASE_DAY "2025-07-21")
 set(MY_COPYRIGHT "2020 - 2025 Christian R. Halaszovich")
 set(LINUX_RELEASE_DESCRIPTION "
     <p>new feature: suggest name of dat file as pxp filename</p>
diff --git a/QtPMbrowser/linux_deploy/de.halaszovich.PMbrowser.appdata.xml.in b/QtPMbrowser/linux_deploy/de.halaszovich.PMbrowser.appdata.xml.in
index f229433..28cc007 100755
--- a/QtPMbrowser/linux_deploy/de.halaszovich.PMbrowser.appdata.xml.in
+++ b/QtPMbrowser/linux_deploy/de.halaszovich.PMbrowser.appdata.xml.in
@@ -26,7 +26,7 @@
 	</provides>
 	<content_rating type="oars-1.0" />
 	<releases>
-		<release version="${CMAKE_PROJECT_VERSION}" type="stable" date="${my_current_day}">
+		<release version="${CMAKE_PROJECT_VERSION}" type="stable" date="${MY_RELEASE_DAY}">
 			<description>
 				${LINUX_RELEASE_DESCRIPTION}
 			</description>