diff --git a/Run-Blob-Storage-on-Public-Internet.md b/Run-Blob-Storage-on-Public-Internet.md
index 342d9a7..14c200a 100644
--- a/Run-Blob-Storage-on-Public-Internet.md
+++ b/Run-Blob-Storage-on-Public-Internet.md
@@ -14,7 +14,7 @@ We will use 2 servers. Server 1 will host master, 2x volumes (2 disks, one volum
 # todo: use 2 step build process, copy over weed binary to fresh container (do not need curl and tar at runtime)
 FROM alpine
 RUN apk update && apk add wget tar
-RUN wget https://github.com/seaweedfs/seaweedfs/releases/download/3.30/linux_amd64_large_disk.tar.gz
+RUN wget https://github.com/seaweedfs/seaweedfs/releases/download/3.31/linux_amd64_large_disk.tar.gz
 RUN tar -xf linux_amd64_large_disk.tar.gz
 RUN chmod +x weed
 RUN mv weed /usr/bin/