diff --git a/Koha.pm b/Koha.pm
index 945417db3e..c958678a5a 100644
--- a/Koha.pm
+++ b/Koha.pm
@@ -29,7 +29,7 @@ use vars qw{ $VERSION };
 # - #4 : the developer version. The 4th number is the database subversion.
 #        used by developers when the database changes. updatedatabase take care of the changes itself
 #        and is automatically called by Auth.pm when needed.
-$VERSION = "25.11.00.000";
+$VERSION = "25.12.00.000";
 
 sub version {
     return $VERSION;
diff --git a/installer/data/mysql/db_revs/251200000.pl b/installer/data/mysql/db_revs/251200000.pl
new file mode 100755
index 0000000000..068e7efc48
--- /dev/null
+++ b/installer/data/mysql/db_revs/251200000.pl
@@ -0,0 +1,13 @@
+use Modern::Perl;
+use utf8;
+use Encode qw( encode_utf8 );
+
+return {
+    bug_number  => undef,
+    description => 'Increase DBRev for 25.12',
+    up          => sub {
+        my ($args) = @_;
+        my ( $dbh, $out ) = @$args{qw(dbh out)};
+        say $out encode_utf8 "🚧 Let's do this.";
+    },
+    }