diff --git a/minimal-setup/keycloak/docker-compose.yml b/minimal-setup/keycloak/docker-compose.yml
index 6222dc7..47988e2 100644
--- a/minimal-setup/keycloak/docker-compose.yml
+++ b/minimal-setup/keycloak/docker-compose.yml
@@ -6,7 +6,7 @@ version: "3"
 services:
 
   nginx:
-    image: orthancteam/orthanc-nginx:23.11.0
+    image: orthancteam/orthanc-nginx:23.12.2
     depends_on: [orthanc, orthanc-auth-service, keycloak]
     restart: unless-stopped
     ports: ["80:80"]
@@ -23,7 +23,7 @@ services:
       ENABLE_OHIF: "true"
 
   orthanc:
-    image: osimis/orthanc:23.11.0
+    image: osimis/orthanc:mainline-2023.11.26
     volumes:
       - orthanc-storage:/var/lib/orthanc/db
     depends_on: [orthanc-db]
@@ -76,8 +76,9 @@ services:
         }
 
   orthanc-auth-service:
-    image: orthancteam/orthanc-auth-service:23.11.0
-    ports: ["8000:8000"]
+    image: orthancteam/orthanc-auth-service:23.12.2
+    # always disable port mapping in production !!!
+    # ports: ["8000:8000"]
     # permissions can be customized in the permissions.json file
     volumes:
       - ./permissions.jsonc:/orthanc_auth_service/permissions.json
@@ -102,7 +103,7 @@ services:
       POSTGRES_HOST_AUTH_METHOD: "trust"
 
   ohif:
-    image: orthancteam/ohif-v3:23.11.0
+    image: orthancteam/ohif-v3:23.12.2
 #  uncomment if you want to customize ohif configuration
 #    volumes:
 #      - ./ohif-app-config.js:/usr/share/nginx/html/app-config.js
@@ -110,7 +111,7 @@ services:
 
 
   keycloak:
-    image: orthancteam/orthanc-keycloak:23.11.0
+    image: orthancteam/orthanc-keycloak:23.12.2
     depends_on: [keycloak-db]
     restart: unless-stopped
 #    healthcheck:
diff --git a/minimal-setup/keycloak/ohif-app-config.js b/minimal-setup/keycloak/ohif-app-config.js
index 94c86c5..26c9a14 100644
--- a/minimal-setup/keycloak/ohif-app-config.js
+++ b/minimal-setup/keycloak/ohif-app-config.js
@@ -48,7 +48,8 @@ window.config = {
         supportsFuzzyMatching: false,
         supportsWildcard: true,
         staticWado: true,
-        singlepart: 'bulkdata,pdf,video'
+        singlepart: 'bulkdata,pdf,video',
+        acceptHeader: [ 'multipart/related; type=application/octet-stream; transfer-syntax=*']
       },
     }],
   httpErrorHandler: error => {
diff --git a/release-notes.md b/release-notes.md
index 8244517..a4bbb1e 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -4,6 +4,12 @@ SPDX-FileCopyrightText: 2022 - 2023 Orthanc Team SRL <info@orthanc.team>
 SPDX-License-Identifier: GPL-3.0-or-later
 -->
 
+
+v 23.12.2
+========
+
+- updated the default OHIF configuration in the ohif image.
+
 v 23.12.1
 ========
 - added DOCUMENT_VIEW in meddream params, so that SR are viewable
diff --git a/sources/ohif/default-app-config.js b/sources/ohif/default-app-config.js
index 65897f5..26c9a14 100644
--- a/sources/ohif/default-app-config.js
+++ b/sources/ohif/default-app-config.js
@@ -48,7 +48,8 @@ window.config = {
         supportsFuzzyMatching: false,
         supportsWildcard: true,
         staticWado: true,
-        singlepart: 'bulkdata'
+        singlepart: 'bulkdata,pdf,video',
+        acceptHeader: [ 'multipart/related; type=application/octet-stream; transfer-syntax=*']
       },
     }],
   httpErrorHandler: error => {