diff --git a/go.mod b/go.mod
index d5ee30f..ad56d07 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/tonglil/opentelemetry-go-datadog-propagator
 
-go 1.19
+go 1.20
 
 require (
 	github.com/stretchr/testify v1.8.4