diff --git a/docker/Dockerfile b/docker/Dockerfile
index c5df8dd..b79e53a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM mongo:6.0.9-rc0
+FROM mongo:6.0.21-rc0
 
 COPY docker-entrypoint.sh /usr/local/bin/
 COPY ./json /json