diff --git a/go.mod b/go.mod
index 8c5ab4d..3cb5fef 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/mailhog/MailHog
 
-go 1.20
+go 1.21
 
 require (
 	github.com/gorilla/pat v1.0.1