diff --git a/init/migrate-v6.sql b/init/migrate-v6.sql
index 113ffef..157e903 100644
--- a/init/migrate-v6.sql
+++ b/init/migrate-v6.sql
@@ -14,7 +14,7 @@ CREATE TABLE IF NOT EXISTS retrospect.entries (
     confidence      REAL DEFAULT 0.0,
     source          VARCHAR(20) DEFAULT 'chat',
     reviewed        BOOLEAN DEFAULT FALSE,
-    source_post_id  INTEGER,
+    source_post_id  BIGINT,
     username        VARCHAR(100)
 );