diff --git a/nexus/catalog/migrations/V12_slot_size.sql b/nexus/catalog/migrations/V12_slot_size.sql
new file mode 100644
index 0000000000..fe56cba983
--- /dev/null
+++ b/nexus/catalog/migrations/V12_slot_size.sql
@@ -0,0 +1,10 @@
+CREATE TABLE IF NOT EXISTS peerdb_stats.peer_slot_size (
+    slot_name TEXT NOT NULL,
+    peer_name TEXT NOT NULL,
+    redo_lsn TEXT,
+    restart_lsn TEXT,
+    confirmed_flush_lsn TEXT,
+    slot_size BIGINT,
+    updated_at 
+    PRIMARY KEY (slot_name, peer_name)
+);
diff --git a/nexus/catalog/migrations/V5__monitoring_init.sql b/nexus/catalog/migrations/V5__monitoring_init.sql
index 43acf3c1bb..b6e1744cd2 100644
--- a/nexus/catalog/migrations/V5__monitoring_init.sql
+++ b/nexus/catalog/migrations/V5__monitoring_init.sql
@@ -49,12 +49,4 @@ CREATE TABLE IF NOT EXISTS peerdb_stats.qrep_partitions (
     metadata JSONB
 );
 
-CREATE TABLE IF NOT EXISTS peerdb_stats.peer_slot_size (
-    slot_name TEXT NOT NULL,
-    peer_name TEXT NOT NULL,
-    redo_lsn TEXT,
-    restart_lsn TEXT,
-    confirmed_flush_lsn TEXT,
-    slot_size BIGINT,
-    PRIMARY KEY (slot_name, peer_name)
-);
\ No newline at end of file
+