diff --git a/chanqueue_test.go b/chanqueue_test.go
index a261e6f..b761ad9 100644
--- a/chanqueue_test.go
+++ b/chanqueue_test.go
@@ -1,3 +1,5 @@
+//go:build go1.25
+
 package chanqueue_test
 
 import (
diff --git a/go.mod b/go.mod
index c6bfbc4..027db77 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,5 @@
 module github.com/gammazero/chanqueue
 
-go 1.25
+go 1.24
 
 require github.com/gammazero/deque v1.2.1