diff --git a/alfa-client/apps/alfa-e2e/docker-compose.yml b/alfa-client/apps/alfa-e2e/docker-compose.yml
index c27955be603132e6ae731d4c2a8b6d1acd9341a6..154c8acf1c8bc8699222bda82de1282a1a3b8bd2 100644
--- a/alfa-client/apps/alfa-e2e/docker-compose.yml
+++ b/alfa-client/apps/alfa-e2e/docker-compose.yml
@@ -49,6 +49,13 @@ services:
       - SPRING_DATA_MONGODB_DATABASE=local
       - SPRING_PROFILES_ACTIVE=${SPRING_PROFILE:-local,e2e}
       - LOGGING_CONFIG=classpath:log4j2-local.xml
+      - GRPC_CLIENT_PLUTO_NEGOTIATIONTYPE=PLAINTEXT
+      - GRPC_CLIENT_VORGANG-MANAGER_NEGOTIATIONTYPE=PLAINTEXT
+      - GRPC_CLIENT_EMAIL_NEGOTIATIONTYPE=PLAINTEXT
+      - GRPC_CLIENT_NACHRICHTEN-MANAGER_NEGOTIATIONTYPE=PLAINTEXT
+      - GRPC_CLIENT_INFO-MANAGER_NEGOTIATIONTYPE=PLAINTEXT
+      - GRPC_CLIENT_COMMAND-MANAGER_NEGOTIATIONTYPE=PLAINTEXT
+      - GRPC_SERVER_SECURITY_ENABLED=false
     ports:
       - 9091:9090
     depends_on:
@@ -64,6 +71,7 @@ services:
       - GRPC_CLIENT_USER-MANAGER_ADDRESS=static://user-manager:9000
       - GRPC_CLIENT_USER-MANAGER_NEGOTIATIONTYPE=PLAINTEXT
       - GRPC_CLIENT_VORGANG-MANAGER_ADDRESS=static://vorgang-manager:9090
+      - GRPC_CLIENT_VORGANG-MANAGER_NEGOTIATIONTYPE=PLAINTEXT
       - KEYCLOAK_AUTH_SERVER_URL=https://sso.dev.by.ozg-cloud.de
       - KEYCLOAK_REALM=${KEYCLOAK_REALM:-by-e2e-tests-local-dev}
       - KEYCLOAK_RESOURCE=${KEYCLOAK_CLIENT:-alfa}