diff --git a/misc/qelectrotech.appdata.xml b/misc/qelectrotech.appdata.xml
index 73e8bab42..88bfd1c0f 100644
--- a/misc/qelectrotech.appdata.xml
+++ b/misc/qelectrotech.appdata.xml
@@ -23,7 +23,7 @@
  <summary xml:lang="ja">電気回路図エディタ</summary>
  <content_rating type="oars-1.1"/>
  <releases>
-     <release version="0.8.0" date="2021-02-21">
+     <release version="0.9-dev" date="2021-02-21">
  <description>
   <p>
    QElectroTech is a Qt5 application to design electric diagrams.