diff --git a/core/go.mod b/core/go.mod
index 788071c..19ea1d2 100644
--- a/core/go.mod
+++ b/core/go.mod
@@ -1,6 +1,6 @@
 module github.com/apernet/hysteria/core
 
-go 1.18
+go 1.20
 
 require (
 	github.com/coreos/go-iptables v0.6.0
diff --git a/go.work b/go.work
index 5a60920..368d244 100644
--- a/go.work
+++ b/go.work
@@ -1,4 +1,4 @@
-go 1.18
+go 1.20
 
 use (
 	./app