diff --git a/docker/mongodb/Dockerfile-mongo b/docker/mongodb/Dockerfile-mongo
index 1f681d4..3a0cd2f 100644
--- a/docker/mongodb/Dockerfile-mongo
+++ b/docker/mongodb/Dockerfile-mongo
@@ -1,4 +1,4 @@
-FROM mongo:latest
+FROM mongo:6
 
 COPY ./init/01-mongo-init.sh /docker-entrypoint-initdb.d/01-mongo-init.sh
 COPY ./init/02-create-indexes.js /docker-entrypoint-initdb.d/02-create-indexes.js