diff --git a/apisix-master-0.rockspec b/apisix-master-0.rockspec
index 7ee912a22a6e..c7314037a2f4 100644
--- a/apisix-master-0.rockspec
+++ b/apisix-master-0.rockspec
@@ -46,7 +46,7 @@ dependencies = {
     "lua-resty-cookie = 0.2.0-1",
     "lua-resty-session = 3.10",
     "opentracing-openresty = 0.1",
-    "lua-resty-radixtree = 2.8.2",
+    "lua-resty-radixtree = 2.9.1",
     "lua-protobuf = 0.5.0-1",
     "lua-resty-openidc = 1.7.6-3",
     "luafilesystem = 1.7.0-2",