diff --git a/docker-compose.yaml b/docker-compose.yaml
index 4e92d890a..4ec6b65b3 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -20,6 +20,7 @@ services:
     ports:
       - 37017:27017
     container_name: mongo
+    command: --wiredTigerCacheSizeGB 5
     volumes:
       - ./components/mongodb/data/db:/data/db
       - ./components/mongodb/data/logs:/data/logs