diff --git a/datana-gmbh/datapool-api/1.0/config/packages/datana_datapool_api.yaml b/datana-gmbh/datapool-api/1.0/config/packages/datana_datapool_api.yaml
index 7a12a9f5..d5b1555c 100644
--- a/datana-gmbh/datapool-api/1.0/config/packages/datana_datapool_api.yaml
+++ b/datana-gmbh/datapool-api/1.0/config/packages/datana_datapool_api.yaml
@@ -8,26 +8,32 @@ services:
             - '%env(DATAPOOL_API_USERNAME)%'
             - '%env(DATAPOOL_API_PASSWORD)%'
 
-    Datana\Datapool\Api\AktenApi: ~
+    Datana\Datapool\Api\AktenApi: null
     Datana\Datapool\Api\AktenApiInterface: '@Datana\Datapool\Api\AktenApi'
 
-    Datana\Datapool\Api\AktenEventLogApi: ~
-    Datana\Datapool\Api\NullAktenEventLogApi: ~
+    Datana\Datapool\Api\AktenEventLogApi: null
+    Datana\Datapool\Api\NullAktenEventLogApi: null
 
-    Datana\Datapool\Api\AktenzeichenApi: ~
-    Datana\Datapool\Api\FakeAktenzeichenApi: ~
+    Datana\Datapool\Api\AktenzeichenApi: null
+    Datana\Datapool\Api\FakeAktenzeichenApi: null
+
+    Datana\Datapool\Api\ChatProtocolApi: null
+    Datana\Datapool\Api\NullChatProtocolApi: null  
 
 when@prod:
     services:
         Datana\Datapool\Api\AktenEventLogApiInterface: '@Datana\Datapool\Api\AktenEventLogApi'
         Datana\Datapool\Api\AktenzeichenApiInterface: '@Datana\Datapool\Api\AktenzeichenApi'
+        Datana\Datapool\Api\ChatProtocolApiInterface: '@Datana\Datapool\Api\ChatProtocolApi'
 
 when@dev:
     services:
         Datana\Datapool\Api\AktenEventLogApiInterface: '@Datana\Datapool\Api\NullAktenEventLogApi'
         Datana\Datapool\Api\AktenzeichenApiInterface: '@Datana\Datapool\Api\FakeAktenzeichenApi'
+        Datana\Datapool\Api\ChatProtocolApiInterface: '@Datana\Datapool\Api\NullChatProtocolApi'
 
 when@test:
     services:
         Datana\Datapool\Api\AktenEventLogApiInterface: '@Datana\Datapool\Api\NullAktenEventLogApi'
         Datana\Datapool\Api\AktenzeichenApiInterface: '@Datana\Datapool\Api\FakeAktenzeichenApi'
+        Datana\Datapool\Api\ChatProtocolApiInterface: '@Datana\Datapool\Api\NullChatProtocolApi'