diff --git a/go.mod b/go.mod
index 590c345675a..ff093519c3a 100644
--- a/go.mod
+++ b/go.mod
@@ -25,7 +25,7 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/grafana/regexp v0.0.0-20221005093135-b4c2bcb0a4b6
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
-	github.com/hashicorp/consul/api v1.17.0
+	github.com/hashicorp/consul/api v1.18.0
 	github.com/hashicorp/go-cleanhttp v0.5.2
 	github.com/hashicorp/go-sockaddr v1.0.2
 	github.com/hashicorp/memberlist v0.5.0
diff --git a/go.sum b/go.sum
index 5d3536330d2..2e08cb19bc7 100644
--- a/go.sum
+++ b/go.sum
@@ -846,8 +846,8 @@ github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645/go
 github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed/go.mod h1:tMWxXQ9wFIaZeTI9F+hmhFiGpFmhOHzyShyFUhRm0H4=
 github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
 github.com/hashicorp/consul/api v1.3.0/go.mod h1:MmDNSzIMUjNpY/mQ398R4bk2FnqQLoPndWW5VkKPlCE=
-github.com/hashicorp/consul/api v1.17.0 h1:aqytbw31uCPNn37ST+717IyGod+P1eTgSGu3yjRo4bs=
-github.com/hashicorp/consul/api v1.17.0/go.mod h1:ZNwemOPAdgtV4cCx9fqxNmw+PI3vliW6gYin2WD+F2g=
+github.com/hashicorp/consul/api v1.18.0 h1:R7PPNzTCeN6VuQNDwwhZWJvzCtGSrNpJqfb22h3yH9g=
+github.com/hashicorp/consul/api v1.18.0/go.mod h1:owRRGJ9M5xReDC5nfT8FTJrNAPbT4NM6p/k+d03q2v4=
 github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
 github.com/hashicorp/consul/sdk v0.3.0/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
 github.com/hashicorp/consul/sdk v0.13.0 h1:lce3nFlpv8humJL8rNrrGHYSKc3q+Kxfeg3Ii1m6ZWU=
diff --git a/vendor/github.com/hashicorp/consul/api/config_entry_discoverychain.go b/vendor/github.com/hashicorp/consul/api/config_entry_discoverychain.go
index 734f9454e46..ff92125dcdc 100644
--- a/vendor/github.com/hashicorp/consul/api/config_entry_discoverychain.go
+++ b/vendor/github.com/hashicorp/consul/api/config_entry_discoverychain.go
@@ -69,6 +69,7 @@ type ServiceRouteDestination struct {
 	Partition             string               `json:",omitempty"`
 	PrefixRewrite         string               `json:",omitempty" alias:"prefix_rewrite"`
 	RequestTimeout        time.Duration        `json:",omitempty" alias:"request_timeout"`
+	IdleTimeout           time.Duration        `json:",omitempty" alias:"idle_timeout"`
 	NumRetries            uint32               `json:",omitempty" alias:"num_retries"`
 	RetryOnConnectFailure bool                 `json:",omitempty" alias:"retry_on_connect_failure"`
 	RetryOnStatusCodes    []uint32             `json:",omitempty" alias:"retry_on_status_codes"`
@@ -81,14 +82,19 @@ func (e *ServiceRouteDestination) MarshalJSON() ([]byte, error) {
 	type Alias ServiceRouteDestination
 	exported := &struct {
 		RequestTimeout string `json:",omitempty"`
+		IdleTimeout    string `json:",omitempty"`
 		*Alias
 	}{
 		RequestTimeout: e.RequestTimeout.String(),
+		IdleTimeout:    e.IdleTimeout.String(),
 		Alias:          (*Alias)(e),
 	}
 	if e.RequestTimeout == 0 {
 		exported.RequestTimeout = ""
 	}
+	if e.IdleTimeout == 0 {
+		exported.IdleTimeout = ""
+	}
 
 	return json.Marshal(exported)
 }
@@ -97,6 +103,7 @@ func (e *ServiceRouteDestination) UnmarshalJSON(data []byte) error {
 	type Alias ServiceRouteDestination
 	aux := &struct {
 		RequestTimeout string
+		IdleTimeout    string
 		*Alias
 	}{
 		Alias: (*Alias)(e),
@@ -110,6 +117,11 @@ func (e *ServiceRouteDestination) UnmarshalJSON(data []byte) error {
 			return err
 		}
 	}
+	if aux.IdleTimeout != "" {
+		if e.IdleTimeout, err = time.ParseDuration(aux.IdleTimeout); err != nil {
+			return err
+		}
+	}
 	return nil
 }
 
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 10e90aa85d6..ef87f118360 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -443,7 +443,7 @@ github.com/grpc-ecosystem/go-grpc-middleware/v2/util/metautils
 github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule
 github.com/grpc-ecosystem/grpc-gateway/v2/runtime
 github.com/grpc-ecosystem/grpc-gateway/v2/utilities
-# github.com/hashicorp/consul/api v1.17.0
+# github.com/hashicorp/consul/api v1.18.0
 ## explicit; go 1.12
 github.com/hashicorp/consul/api
 # github.com/hashicorp/errwrap v1.1.0