diff --git a/src/api/Project.toml b/src/api/Project.toml
index 3b0686b..97227c2 100644
--- a/src/api/Project.toml
+++ b/src/api/Project.toml
@@ -1,7 +1,7 @@
 name = "OpenTelemetryAPI"
 uuid = "4f63ef3d-5940-44e7-a611-2d97696cffc9"
 authors = ["Jun Tian <tianjun.cpp@gmail.com>"]
-version = "0.5.2"
+version = "0.5.3"
 
 [deps]
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"