diff --git a/go.mod b/go.mod
index 59d04b6b..a4df2142 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/atc0005/check-cert
 go 1.20
 
 require (
-	github.com/atc0005/cert-payload v0.3.0
+	github.com/atc0005/cert-payload v0.4.0
 	github.com/atc0005/go-nagios v0.17.1
 	github.com/grantae/certinfo v0.0.0-20170412194111-59d56a35515b
 	github.com/rs/zerolog v1.33.0
diff --git a/go.sum b/go.sum
index ca8b2973..9599debc 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/atc0005/cert-payload v0.3.0 h1:aIhir71r+Ryc7GNuQ0jxQ0iwKk8LP0wjgvSz5caJXBo=
-github.com/atc0005/cert-payload v0.3.0/go.mod h1:46vw6K3bJ3zODjGW7xIilssL8r2Sg41hRAGideGH0kU=
+github.com/atc0005/cert-payload v0.4.0 h1:B47Ak89zEok4PsxvI7NJcWjf3zTUCM/kNaJnaaBGwBI=
+github.com/atc0005/cert-payload v0.4.0/go.mod h1:46vw6K3bJ3zODjGW7xIilssL8r2Sg41hRAGideGH0kU=
 github.com/atc0005/go-nagios v0.17.1 h1:VdI70UPm7WuAZWePBuuJETdX0maFX3evylSzDoTtkxc=
 github.com/atc0005/go-nagios v0.17.1/go.mod h1:n2RHhsrgI8xiapqkJ240dKLwMXWbWvkOPLE92x0IGaM=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
diff --git a/vendor/github.com/atc0005/cert-payload/CHANGELOG.md b/vendor/github.com/atc0005/cert-payload/CHANGELOG.md
index 136f686b..c914d80b 100644
--- a/vendor/github.com/atc0005/cert-payload/CHANGELOG.md
+++ b/vendor/github.com/atc0005/cert-payload/CHANGELOG.md
@@ -26,6 +26,12 @@ The following types of changes will be recorded in this file:
 
 - placeholder
 
+## [v0.4.0] - 2024-11-08
+
+### Changed
+
+- (GH-28) Replace `MultipleLeafCerts` with `DuplicateCerts`
+
 ## [v0.3.0] - 2024-11-06
 
 ### Changed
@@ -49,7 +55,8 @@ Add current code used in `atc0005/check-cert` prototype to be used when
 generating an encoded certificate chain metadata payload for inclusion in
 plugin output.
 
-[Unreleased]: https://github.com/atc0005/cert-payload/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/atc0005/cert-payload/compare/v0.4.0...HEAD
+[v0.4.0]: https://github.com/atc0005/cert-payload/releases/tag/v0.4.0
 [v0.3.0]: https://github.com/atc0005/cert-payload/releases/tag/v0.3.0
 [v0.2.0]: https://github.com/atc0005/cert-payload/releases/tag/v0.2.0
 [v0.1.0]: https://github.com/atc0005/cert-payload/releases/tag/v0.1.0
diff --git a/vendor/github.com/atc0005/cert-payload/payload.go b/vendor/github.com/atc0005/cert-payload/payload.go
index e8602a76..e9f64d6e 100644
--- a/vendor/github.com/atc0005/cert-payload/payload.go
+++ b/vendor/github.com/atc0005/cert-payload/payload.go
@@ -154,9 +154,9 @@ type CertificateChainIssues struct {
 	// certificate within the certificates chain.
 	MissingSANsEntries bool `json:"missing_sans_entries"`
 
-	// MultipleLeafCerts indicates that there are more than the single
-	// permitted leaf certificate in the certificate chain.
-	MultipleLeafCerts bool `json:"multiple_leaf_certs"`
+	// DuplicateCerts indicates that there are one or more duplicate copies of
+	// a certificate in the certificate chain.
+	DuplicateCerts bool `json:"duplicate_certs"`
 
 	// MisorderedCerts indicates that certificates in the chain are out of the
 	// expected order.
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 2dc37d92..589e0e9e 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1,4 +1,4 @@
-# github.com/atc0005/cert-payload v0.3.0
+# github.com/atc0005/cert-payload v0.4.0
 ## explicit; go 1.19
 github.com/atc0005/cert-payload
 # github.com/atc0005/go-nagios v0.17.1