diff --git a/data/io.elementary.mail.appdata.xml.in b/data/io.elementary.mail.appdata.xml.in
index 0a07c542e..5225495c7 100644
--- a/data/io.elementary.mail.appdata.xml.in
+++ b/data/io.elementary.mail.appdata.xml.in
@@ -22,7 +22,7 @@
       <binary>io.elementary.mail</binary>
   </provides>
   <releases>
-    <release version="6.3.1" date="2021-12-08" urgency="medium">
+    <release version="6.3.1" date="2021-12-13" urgency="medium">
       <description>
         <p>Fixes:</p>
         <ul>
diff --git a/meson.build b/meson.build
index 0545ac06f..dda3b27dd 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project(
     'io.elementary.mail',
     'vala', 'c',
-    version: '6.3.0'
+    version: '6.3.1'
 )
 
 gnome = import('gnome')