diff --git a/charts/opencti/Chart.yaml b/charts/opencti/Chart.yaml
index b540b28..a241063 100644
--- a/charts/opencti/Chart.yaml
+++ b/charts/opencti/Chart.yaml
@@ -16,11 +16,11 @@ keywords:
 dependencies:
   - name: elasticsearch
     version: 21.3.6
-    repository: https://charts.bitnami.com/bitnami
+    repository: oci://registry-1.docker.io/bitnamicharts
     condition: elasticsearch.enabled
   - name: minio
     version: 14.6.32
-    repository: https://charts.bitnami.com/bitnami
+    repository: oci://registry-1.docker.io/bitnamicharts
     condition: minio.enabled
   - name: opensearch
     version: 2.22.0
@@ -28,9 +28,9 @@ dependencies:
     condition: opensearch.enabled
   - name: rabbitmq
     version: 14.6.6
-    repository: https://charts.bitnami.com/bitnami
+    repository: oci://registry-1.docker.io/bitnamicharts
     condition: rabbitmq.enabled
   - name: redis
     version: 19.6.4
-    repository: https://charts.bitnami.com/bitnami
+    repository: oci://registry-1.docker.io/bitnamicharts
     condition: redis.enabled
diff --git a/charts/opencti/README.md b/charts/opencti/README.md
index f954a97..85e6783 100644
--- a/charts/opencti/README.md
+++ b/charts/opencti/README.md
@@ -16,11 +16,11 @@ A Helm chart to deploy Open Cyber Threat Intelligence platform
 
 | Repository | Name | Version |
 |------------|------|---------|
-| https://charts.bitnami.com/bitnami | elasticsearch | 21.3.6 |
-| https://charts.bitnami.com/bitnami | minio | 14.6.32 |
-| https://charts.bitnami.com/bitnami | rabbitmq | 14.6.6 |
-| https://charts.bitnami.com/bitnami | redis | 19.6.4 |
 | https://opensearch-project.github.io/helm-charts/ | opensearch | 2.22.0 |
+| oci://registry-1.docker.io/bitnamicharts | elasticsearch | 21.3.6 |
+| oci://registry-1.docker.io/bitnamicharts | minio | 14.6.32 |
+| oci://registry-1.docker.io/bitnamicharts | rabbitmq | 14.6.6 |
+| oci://registry-1.docker.io/bitnamicharts | redis | 19.6.4 |
 
 ## Add repository