diff --git a/xmake.lua b/xmake.lua
index 40b7f5eda..432649102 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -5,7 +5,7 @@ set_allowedmodes("releasedbg", "release", "debug")
 add_rules("mode.debug")
 
 set_project("lolly")
-LOLLY_VERSION= "1.4.20"
+LOLLY_VERSION= "1.4.21"
 
 set_languages("c++17")
 includes("@builtin/check")