diff --git a/include/emqx_release.hrl b/include/emqx_release.hrl
index 5dbb25f1..f77aaa32 100644
--- a/include/emqx_release.hrl
+++ b/include/emqx_release.hrl
@@ -29,7 +29,7 @@
 
 -ifndef(EMQX_ENTERPRISE).
 
--define(EMQX_RELEASE, {opensource, "4.4.7"}).
+-define(EMQX_RELEASE, {opensource, "4.5.5"}).
 
 -else.