diff --git a/build.sh b/build.sh
index 4a6e2bbb2aa6aa4bbed8aa15a7d85134e61e43d6..8156a81d6fecf67933805f11a9c7b537079e2957 100755
--- a/build.sh
+++ b/build.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # release version
-version=5.0.0-rc1
+version=5.0.0-rc2
 
 export GO111MODULE=on
 go build -ldflags "-X main.version=${version}" -o n9e-server main.go