diff --git a/go.mod b/go.mod
index dded057..74135b6 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/quic-go/webtransport-go
 
-go 1.18
+go 1.20
 
 require (
 	github.com/golang/mock v1.6.0