diff --git a/integration/client/client_unix_test.go b/integration/client/client_unix_test.go
index 22df5f30b..822e6b3b7 100644
--- a/integration/client/client_unix_test.go
+++ b/integration/client/client_unix_test.go
@@ -32,7 +32,7 @@ const (
 )
 
 var (
-	testImage    = "mirror.gcr.io/library/busybox:1.32"
+	testImage    = "mirror.gcr.io/library/busybox:1.32.0"
 	shortCommand = withProcessArgs("true")
 	longCommand  = withProcessArgs("/bin/sh", "-c", "while true; do sleep 1; done")
 )