diff --git a/infra/postgres/values.yaml b/infra/postgres/values.yaml
index 276ef0d5..a59ff6c6 100644
--- a/infra/postgres/values.yaml
+++ b/infra/postgres/values.yaml
@@ -1,6 +1,6 @@
 image:
   repository: "postgres"
-  tag: "17.6-bookworm"
+  tag: "18.2-bookworm"
 
 upgrade-image:
   repository: "pgautoupgrade/pgautoupgrade"