diff --git a/_data/rules.yml b/_data/rules.yml
index c060c1d..4df1771 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -690,6 +690,11 @@ groups:
                 for: 1h
                 comments: |
                   See https://github.com/samber/awesome-prometheus-alerts/issues/289#issuecomment-1164842737
+              - name: Postgresql invalid index
+                description: 'The table {{ $labels.relname }} has an invalid index: {{ $labels.indexrelname }}. You should execute `DROP INDEX {{ $labels.indexrelname }};`'
+                query: 'pg_genaral_index_info_pg_relation_size{indexrelname=~".*ccnew.*"}'
+                severity: warning
+                for: 6h
 
       - name: SQL Server
         exporters: