diff --git a/WORKFLOW.md b/WORKFLOW.md
index ec62d45c..4a1fabbe 100644
--- a/WORKFLOW.md
+++ b/WORKFLOW.md
@@ -10,3 +10,10 @@
 1. new release branch is created r*.*.*
 2. Cherry Pick fixes from `master` or PR into the release branch.
 3. create new release.
+
+
+# Updating Appstream Metadata
+
+In `client/assets/net.veloren.airshipper.metainfo`:
+1. Add new release, with `version` and `date`, and optionally add a `description` for the release.
+2. Update screenshots sources.
diff --git a/client/assets/net.veloren.airshipper.metainfo.xml b/client/assets/net.veloren.airshipper.metainfo.xml
index 4e02193d..7b64e1dc 100644
--- a/client/assets/net.veloren.airshipper.metainfo.xml
+++ b/client/assets/net.veloren.airshipper.metainfo.xml
@@ -7,7 +7,7 @@
   <summary>Airshipper is the official launcher for Veloren.</summary>
   
   <metadata_license>CC0-1.0</metadata_license>
-  <project_license>GPL-3.0-only</project_license>
+  <project_license>GPL-3.0-or-later</project_license>
 
   <content_rating type="oars-1.0">
     <content_attribute id="violence-cartoon">moderate</content_attribute>