diff --git a/internal/asynqtest/asynqtest.go b/internal/asynqtest/asynqtest.go
index a27a34d..66831ba 100644
--- a/internal/asynqtest/asynqtest.go
+++ b/internal/asynqtest/asynqtest.go
@@ -6,6 +6,7 @@
 package asynqtest
 
 import (
+	"encoding/json"
 	"math"
 	"sort"
 	"testing"