diff --git a/NEWS b/NEWS
index c23b939a..d098f44e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+Major changes in 48.alpha:
+* Many design improvements to the event editor dialog, such as a rearranged
+  all-day / timed selection, moving the event calendar to a row, and more.
+* Show a banner in the event editor when the calendar is read-only
+* Improve capitalization of title strings in the Week view header
+* Fix event order in the sidebar
+* Updated translations
+
 Major changes in 47.0:
 * Updated translations
 
diff --git a/src/appdata/org.gnome.Calendar.metainfo.xml.in.in b/src/appdata/org.gnome.Calendar.metainfo.xml.in.in
index d9c9ea1e..b73b0576 100644
--- a/src/appdata/org.gnome.Calendar.metainfo.xml.in.in
+++ b/src/appdata/org.gnome.Calendar.metainfo.xml.in.in
@@ -85,6 +85,9 @@
   <update_contact>gbsneto@gnome.org</update_contact>
 
   <releases>
+
+    <release date="2025-01-13" version="48~alpha" type="development" />
+
     <release date="2024-09-16" version="47.0" type="stable">
       <description>
         <ul>