diff --git a/NEWS.md b/NEWS.md
index b51e27c17..8f36a91b4 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -21,6 +21,7 @@
 * Fix generation of IDs ranges in Reindex Upload for Subject, Classification and Contributor ([MSEARCH-907](https://folio-org.atlassian.net/browse/MSEARCH-907))
 * Remove browse config caching ([MSEARCH-897](https://folio-org.atlassian.net/browse/MSEARCH-897))
 * Fix the "Invalid reference" appears after updating ownership ([MSEARCH-915](https://folio-org.atlassian.net/browse/MSEARCH-915))
+* Update tenant_id in database during event processing ([MSEARCH-877](https://folio-org.atlassian.net/browse/MSEARCH-877))
 * Fix an issue with interrupting the batch event processing due to SystemUserAuthorizationException ([MSEARCH-925](https://folio-org.atlassian.net/browse/MSEARCH-925))
 
 ### Tech Dept
diff --git a/src/main/java/org/folio/search/service/reindex/jdbc/HoldingRepository.java b/src/main/java/org/folio/search/service/reindex/jdbc/HoldingRepository.java
index 2bcabd2a4..9abc639a1 100644
--- a/src/main/java/org/folio/search/service/reindex/jdbc/HoldingRepository.java
+++ b/src/main/java/org/folio/search/service/reindex/jdbc/HoldingRepository.java
@@ -20,6 +20,7 @@ public class HoldingRepository extends MergeRangeRepository {
       ON CONFLICT (id, tenant_id)
       DO UPDATE SET
       instance_id = EXCLUDED.instance_id,
+      tenant_id = EXCLUDED.tenant_id,
       json = EXCLUDED.json;
     """;
 
diff --git a/src/main/java/org/folio/search/service/reindex/jdbc/ItemRepository.java b/src/main/java/org/folio/search/service/reindex/jdbc/ItemRepository.java
index 1d2183f2d..a281853ff 100644
--- a/src/main/java/org/folio/search/service/reindex/jdbc/ItemRepository.java
+++ b/src/main/java/org/folio/search/service/reindex/jdbc/ItemRepository.java
@@ -21,6 +21,7 @@ ON CONFLICT (id, tenant_id)
       DO UPDATE SET
       instance_id = EXCLUDED.instance_id,
       holding_id = EXCLUDED.holding_id,
+      tenant_id = EXCLUDED.tenant_id,
       json = EXCLUDED.json;
     """;
 
diff --git a/src/main/java/org/folio/search/service/reindex/jdbc/MergeInstanceRepository.java b/src/main/java/org/folio/search/service/reindex/jdbc/MergeInstanceRepository.java
index 0a2c5bb57..7bbf8da63 100644
--- a/src/main/java/org/folio/search/service/reindex/jdbc/MergeInstanceRepository.java
+++ b/src/main/java/org/folio/search/service/reindex/jdbc/MergeInstanceRepository.java
@@ -23,6 +23,7 @@ public class MergeInstanceRepository extends MergeRangeRepository {
       VALUES (?::uuid, ?, ?, ?, ?::jsonb)
       ON CONFLICT (id)
       DO UPDATE SET shared = EXCLUDED.shared,
+      tenant_id = EXCLUDED.tenant_id,
       is_bound_with = EXCLUDED.is_bound_with,
       json = EXCLUDED.json;
     """;
@@ -79,6 +80,6 @@ public void saveEntities(String tenantId, List<Map<String, Object>> entities) {
   public void updateBoundWith(String tenantId, String id, boolean bound) {
     var fullTableName = getFullTableName(context, entityTable());
     var sql = UPDATE_BOUND_WITH_SQL.formatted(fullTableName);
-    jdbcTemplate.update(sql, bound /*? "true" : "false"*/, id);
+    jdbcTemplate.update(sql, bound, id);
   }
 }