diff --git a/go.mod b/go.mod
index ae985b17..efa3bba2 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ module github.com/atc0005/check-vmware
 go 1.22
 
 require (
-	github.com/atc0005/go-nagios v0.17.0-rc.1
+	github.com/atc0005/go-nagios v0.17.1
 	github.com/google/go-cmp v0.6.0
 	github.com/rs/zerolog v1.33.0
 	github.com/vmware/govmomi v0.45.1
diff --git a/go.sum b/go.sum
index d3bb09f4..d489d2db 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/atc0005/go-nagios v0.17.0-rc.1 h1:fyYmetY4RUJxM0GN1KdoTu+Ywq0qbF5MJ9nCgpDs4mI=
-github.com/atc0005/go-nagios v0.17.0-rc.1/go.mod h1:n2RHhsrgI8xiapqkJ240dKLwMXWbWvkOPLE92x0IGaM=
+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=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/vendor/github.com/atc0005/go-nagios/CHANGELOG.md b/vendor/github.com/atc0005/go-nagios/CHANGELOG.md
index 98a2762a..51ac9d14 100644
--- a/vendor/github.com/atc0005/go-nagios/CHANGELOG.md
+++ b/vendor/github.com/atc0005/go-nagios/CHANGELOG.md
@@ -26,6 +26,30 @@ The following types of changes will be recorded in this file:
 
 - placeholder
 
+## [v0.17.1] - 2024-11-08
+
+### Changed
+
+- (GH-296) Unescape encoded Ascii85 payload before decoding
+
+## [v0.17.0] - 2024-11-06
+
+### Added
+
+- (GH-288) Add support for embedded/encoded payloads
+- (GH-289) Add support for (internal) debug logging output
+
+### Changed
+
+- (GH-291) Clarify handling of empty payload input
+- (GH-292) Enable LongServiceOutput header/label for payloads
+
+### Fixed
+
+- (GH-268) Fix `Plugin.SetOutputTarget` method
+- (GH-273) Fix test case validity check
+- (GH-290) Minor refactoring of Range and Thresholds support
+
 ## [v0.16.2] - 2024-10-10
 
 ### Changed
@@ -543,7 +567,9 @@ Initial package state
 
 - Nagios state map
 
-[Unreleased]: https://github.com/atc0005/go-nagios/compare/v0.16.2...HEAD
+[Unreleased]: https://github.com/atc0005/go-nagios/compare/v0.17.1...HEAD
+[v0.17.1]: https://github.com/atc0005/go-nagios/releases/tag/v0.17.1
+[v0.17.0]: https://github.com/atc0005/go-nagios/releases/tag/v0.17.0
 [v0.16.2]: https://github.com/atc0005/go-nagios/releases/tag/v0.16.2
 [v0.16.1]: https://github.com/atc0005/go-nagios/releases/tag/v0.16.1
 [v0.16.0]: https://github.com/atc0005/go-nagios/releases/tag/v0.16.0
diff --git a/vendor/github.com/atc0005/go-nagios/payload.go b/vendor/github.com/atc0005/go-nagios/payload.go
index b09aa9e8..f11cd844 100644
--- a/vendor/github.com/atc0005/go-nagios/payload.go
+++ b/vendor/github.com/atc0005/go-nagios/payload.go
@@ -57,13 +57,31 @@ func EncodeASCII85Payload(data []byte, leftDelimiter string, rightDelimiter stri
 	return leftDelimiter + string(encoded) + rightDelimiter
 }
 
+// unescapeASCII85 unescapes an Ascii85 input payload by removing escape
+// patterns added to the payload as it passes through a monitoring system
+// (e.g., for inclusion in a JSON API response).
+func unescapeASCII85(encodedInput []byte) ([]byte, error) {
+	if len(encodedInput) == 0 {
+		return nil, fmt.Errorf(
+			"failed to unescape empty payload: %w",
+			ErrMissingValue,
+		)
+	}
+
+	// Based on initial testing this is sufficient to unescape an Ascii85
+	// payload that passes through the Nagios XI API.
+	encodedInput = bytes.ReplaceAll(encodedInput, []byte(`\\`), []byte(`\`))
+
+	return encodedInput, nil
+}
+
 // decodeASCII85 decodes given Ascii85 encoded input or an error if one occurs
 // during decoding.
 //
 // The caller is expected to remove any delimiters from the input before
 // calling this function.
 //
-// This function is also not intended for extraction of an Ascii encoded
+// This function is also not intended for extraction of an Ascii85 encoded
 // payload from surrounding text.
 func decodeASCII85(encodedInput []byte) ([]byte, error) {
 	if len(encodedInput) == 0 {
@@ -73,10 +91,15 @@ func decodeASCII85(encodedInput []byte) ([]byte, error) {
 		)
 	}
 
-	decoded := make([]byte, len(encodedInput))
-	n, _, err := ascii85.Decode(decoded, encodedInput, true)
-	if err != nil {
-		return nil, err
+	unescapedInput, unescapeErr := unescapeASCII85(encodedInput)
+	if unescapeErr != nil {
+		return nil, unescapeErr
+	}
+
+	decoded := make([]byte, len(unescapedInput))
+	n, _, decodeErr := ascii85.Decode(decoded, unescapedInput, true)
+	if decodeErr != nil {
+		return nil, decodeErr
 	}
 
 	decodedBytes := decoded[:n]
@@ -94,7 +117,7 @@ func decodeASCII85(encodedInput []byte) ([]byte, error) {
 // occurs during decoding. If provided, the left and right delimiters are
 // trimmed from the given input before decoding is performed.
 //
-// This function is not intended to extract an Ascii encoded payload from
+// This function is not intended to extract an Ascii85 encoded payload from
 // surrounding text.
 func DecodeASCII85Payload(encodedInput []byte, leftDelimiter string, rightDelimiter string) ([]byte, error) {
 	if len(encodedInput) == 0 {
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 8ea19b57..8214d143 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1,4 +1,4 @@
-# github.com/atc0005/go-nagios v0.17.0-rc.1
+# github.com/atc0005/go-nagios v0.17.1
 ## explicit; go 1.19
 github.com/atc0005/go-nagios
 # github.com/google/go-cmp v0.6.0