diff --git a/go.mod b/go.mod
index ca1425ed52cf..9f91e090929e 100644
--- a/go.mod
+++ b/go.mod
@@ -65,7 +65,7 @@ require (
 	github.com/kunwardeep/paralleltest v1.0.10
 	github.com/kyoh86/exportloopref v0.1.11
 	github.com/lasiar/canonicalheader v1.1.2
-	github.com/ldez/exptostd v0.3.1
+	github.com/ldez/exptostd v0.4.0
 	github.com/ldez/gomoddirectives v0.6.1
 	github.com/ldez/grignotin v0.9.0
 	github.com/ldez/tagliatelle v0.7.1
diff --git a/go.sum b/go.sum
index 1afe1a7beeb9..5f5c064cd02b 100644
--- a/go.sum
+++ b/go.sum
@@ -351,8 +351,8 @@ github.com/kyoh86/exportloopref v0.1.11 h1:1Z0bcmTypkL3Q4k+IDHMWTcnCliEZcaPiIe0/
 github.com/kyoh86/exportloopref v0.1.11/go.mod h1:qkV4UF1zGl6EkF1ox8L5t9SwyeBAZ3qLMd6up458uqA=
 github.com/lasiar/canonicalheader v1.1.2 h1:vZ5uqwvDbyJCnMhmFYimgMZnJMjwljN5VGY0VKbMXb4=
 github.com/lasiar/canonicalheader v1.1.2/go.mod h1:qJCeLFS0G/QlLQ506T+Fk/fWMa2VmBUiEI2cuMK4djI=
-github.com/ldez/exptostd v0.3.1 h1:90yWWoAKMFHeovTK8uzBms9Ppp8Du/xQ20DRO26Ymrw=
-github.com/ldez/exptostd v0.3.1/go.mod h1:iZBRYaUmcW5jwCR3KROEZ1KivQQp6PHXbDPk9hqJKCQ=
+github.com/ldez/exptostd v0.4.0 h1:ytry6f6l+S5F5s/N2oBFgKxnDAvoBxTA41Zu2fOmdu4=
+github.com/ldez/exptostd v0.4.0/go.mod h1:iZBRYaUmcW5jwCR3KROEZ1KivQQp6PHXbDPk9hqJKCQ=
 github.com/ldez/gomoddirectives v0.6.1 h1:Z+PxGAY+217f/bSGjNZr/b2KTXcyYLgiWI6geMBN2Qc=
 github.com/ldez/gomoddirectives v0.6.1/go.mod h1:cVBiu3AHR9V31em9u2kwfMKD43ayN5/XDgr+cdaFaKs=
 github.com/ldez/grignotin v0.9.0 h1:MgOEmjZIVNn6p5wPaGp/0OKWyvq42KnzAt/DAb8O4Ow=