diff --git a/docker-compose.yml b/docker-compose.yml
index 607d99b..ed468f5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -150,7 +150,7 @@ services:
       telemetry_elasticsearch:
         condition: service_healthy
     ports:
-      - 5601:5601
+      - "5601:5601"
 
   apm-server:
     image: docker.elastic.co/apm/apm-server:7.16.2
@@ -207,7 +207,7 @@ services:
       apm-server:
         condition: service_healthy
     ports:
-      - 4317:4317
+      - "4317:4317"
     logging:
       options:
         max-size: "10m"