diff --git a/ozgcloud-elasticsearch-operator/src/main/helm/values.yaml b/ozgcloud-elasticsearch-operator/src/main/helm/values.yaml
index 14594d7853482e1feff7c9efade7a362ef71d208..e4b3820a25467fb8faeec61a5b75be8d5ef06c99 100644
--- a/ozgcloud-elasticsearch-operator/src/main/helm/values.yaml
+++ b/ozgcloud-elasticsearch-operator/src/main/helm/values.yaml
@@ -5,4 +5,4 @@ image:
 elasticsearch:
     namespace: elastic-system
     adminSecretName: ozg-search-cluster-es-elastic-user
-    certificateSecretName: ozg-search-cluster-es-ozg-search-es-transport-certs
+    certificateSecretName: ozg-search-cluster-es-http-ca-internal
diff --git a/ozgcloud-elasticsearch-operator/src/main/resources/application.yml b/ozgcloud-elasticsearch-operator/src/main/resources/application.yml
index 0ad789004ea524ba4557dd027f09768c49f42bad..8fe6660834d7b720fc93b6aad55cbdc3f8b120f6 100644
--- a/ozgcloud-elasticsearch-operator/src/main/resources/application.yml
+++ b/ozgcloud-elasticsearch-operator/src/main/resources/application.yml
@@ -10,7 +10,7 @@ ozgcloud:
       port: 9200
       scheme: https
       certificateNamespace: ozgcloud-elasticsearch-operator
-      certificateSecretName: ozg-search-cluster-es-ozg-search-es-transport-certs
+      certificateSecretName: ozg-search-cluster-es-http-ca-internal
       certificateSecretDataKey: ca.crt
 
 management:
diff --git a/ozgcloud-elasticsearch-operator/src/test/helm/deployment_volumes.yaml b/ozgcloud-elasticsearch-operator/src/test/helm/deployment_volumes.yaml
index 30fa6aa8cb13f464f7d2f201b00c6995fc84da2e..15ce39bf9a4c2bafc6f15c13bb54a9e86c3e4c37 100644
--- a/ozgcloud-elasticsearch-operator/src/test/helm/deployment_volumes.yaml
+++ b/ozgcloud-elasticsearch-operator/src/test/helm/deployment_volumes.yaml
@@ -60,7 +60,7 @@ tests:
           content:  
               name: elasticsearch-certificate
               secret:
-                secretName: ozg-search-cluster-es-ozg-search-es-transport-certs
+                secretName: ozg-search-cluster-es-http-ca-internal
                 optional: false
 
   - it: should create volumeMounts
diff --git a/ozgcloud-elasticsearch-operator/src/test/helm/rbac/ozgcloud_elasticsearch_operator_admin_secret_view_role_test.yaml b/ozgcloud-elasticsearch-operator/src/test/helm/rbac/ozgcloud_elasticsearch_operator_admin_secret_view_role_test.yaml
index 3e80b1c031086388a5c2065e2b2dc77c32ca6d4d..9604c57257fe009fdb987fb9ab9ca673da1c1344 100644
--- a/ozgcloud-elasticsearch-operator/src/test/helm/rbac/ozgcloud_elasticsearch_operator_admin_secret_view_role_test.yaml
+++ b/ozgcloud-elasticsearch-operator/src/test/helm/rbac/ozgcloud_elasticsearch_operator_admin_secret_view_role_test.yaml
@@ -60,7 +60,7 @@ tests:
                 - ""
               resourceNames:
                 - ozg-search-cluster-es-elastic-user
-                - ozg-search-cluster-es-ozg-search-es-transport-certs
+                - ozg-search-cluster-es-http-ca-internal
               resources:
                 - secrets
               verbs: