diff --git a/rebar.config b/rebar.config
index 359c294fd..ffeb23da1 100644
--- a/rebar.config
+++ b/rebar.config
@@ -84,4 +84,4 @@
   emqx_exproto_pb % generated code for protobuf
 ]}.
 
-{project_plugins, [erlfmt]}.
+{project_plugins, [erlfmt, {rebar3_hex, "7.0.2"}]}.