diff --git a/pool_test.go b/pool_test.go
index 77edc49..0111b4e 100644
--- a/pool_test.go
+++ b/pool_test.go
@@ -1,5 +1,5 @@
 // Pool is no-op under race detector, so all these tests do not work.
-// go:build !race
+//go:build !race
 
 package astjson