diff --git a/mcp_server/docker-compose.yml b/mcp_server/docker-compose.yml
index 13b64dae..cb4e5a67 100644
--- a/mcp_server/docker-compose.yml
+++ b/mcp_server/docker-compose.yml
@@ -31,9 +31,9 @@ services:
       neo4j:
         condition: service_healthy
     environment:
-      - NEO4J_URI=bolt://neo4j:7687
-      - NEO4J_USER=neo4j
-      - NEO4J_PASSWORD=demodemo
+      - NEO4J_URI=${NEO4J_URI:-bolt://neo4j:7687}
+      - NEO4J_USER=${NEO4J_USER:-neo4j}
+      - NEO4J_PASSWORD=${NEO4J_PASSWORD:-demodemo}
       - OPENAI_API_KEY=${OPENAI_API_KEY}
       - MODEL_NAME=${MODEL_NAME}
       - PATH=/root/.local/bin:${PATH}