diff --git a/go.mod b/go.mod
index f18022ff..ef296f16 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	github.com/cheggaaa/pb/v3 v3.0.5
 	github.com/containerd/containerd v1.4.3 // indirect
 	github.com/coreos/go-oidc v2.2.1+incompatible
-	github.com/cybozu-go/aptutil v1.4.2-0.20200413001041-3f82d8384481
+	github.com/cybozu-go/aptutil v1.4.2
 	github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f // indirect
 	github.com/docker/distribution v2.7.1+incompatible // indirect
 	github.com/docker/docker v20.10.5+incompatible