diff --git a/unittests/helm/dependency-checks/major-image-bump.yaml b/unittests/helm/dependency-checks/major-image-bump.yaml
index ce2a531..6267885 100644
--- a/unittests/helm/dependency-checks/major-image-bump.yaml
+++ b/unittests/helm/dependency-checks/major-image-bump.yaml
@@ -28,7 +28,7 @@ tests:
         matchRegex:
           path: spec.template.spec.containers[0].image
           # IN CASE OF AN INTENTIONAL MAJOR BUMP, ADJUST THIS TEST
-          pattern: bitnamilegacy/postgresql:17.+$
+          pattern: bitnamilegacy/postgresql:18.+$
   - it: "[valkey-cluster] ensures we detect major image version upgrades"
     template: charts/valkey-cluster/templates/valkey-statefulset.yaml
     set: