diff --git a/agent/consul/merge_service_config_test.go b/agent/consul/merge_service_config_test.go
index 5a866dce2a..dd9b1cbca8 100644
--- a/agent/consul/merge_service_config_test.go
+++ b/agent/consul/merge_service_config_test.go
@@ -153,6 +153,12 @@ func Test_MergeServiceConfig_UpstreamOverrides(t *testing.T) {
 								DestinationNamespace: "default",
 								DestinationPartition: "default",
 								DestinationName:      "zap",
+								Config: map[string]interface{}{
+									"passive_health_check": map[string]interface{}{
+										"Interval":    int64(20),
+										"MaxFailures": int64(4),
+									},
+								},
 							},
 						},
 					},
@@ -171,8 +177,8 @@ func Test_MergeServiceConfig_UpstreamOverrides(t *testing.T) {
 							DestinationName:      "zap",
 							Config: map[string]interface{}{
 								"passive_health_check": map[string]interface{}{
-									"Interval":    int64(10),
-									"MaxFailures": int64(2),
+									"Interval":    int64(20),
+									"MaxFailures": int64(4),
 								},
 								"protocol": "grpc",
 							},
diff --git a/go.mod b/go.mod
index e2fbafed4b..1ade7d6de2 100644
--- a/go.mod
+++ b/go.mod
@@ -53,7 +53,7 @@ require (
 	github.com/hashicorp/vault/api v1.0.5-0.20200717191844-f687267c8086
 	github.com/hashicorp/vault/sdk v0.1.14-0.20200519221838-e0cfd64bc267
 	github.com/hashicorp/yamux v0.0.0-20210826001029-26ff87cf9493
-	github.com/imdario/mergo v0.3.6
+	github.com/imdario/mergo v0.3.13
 	github.com/kr/text v0.2.0
 	github.com/miekg/dns v1.1.41
 	github.com/mitchellh/cli v1.1.0
@@ -183,7 +183,7 @@ require (
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/resty.v1 v1.12.0 // indirect
 	gopkg.in/yaml.v2 v2.2.8 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
+	gopkg.in/yaml.v3 v3.0.0 // indirect
 	k8s.io/klog v1.0.0 // indirect
 	k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89 // indirect
 	sigs.k8s.io/structured-merge-diff/v3 v3.0.0 // indirect
diff --git a/go.sum b/go.sum
index ee3e0beda1..cf7f2afc30 100644
--- a/go.sum
+++ b/go.sum
@@ -396,8 +396,9 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
-github.com/imdario/mergo v0.3.6 h1:xTNEAn+kxVO7dTZGu0CegyqKZmoWFI0rF8UxjlB2d28=
 github.com/imdario/mergo v0.3.6/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/imdario/mergo v0.3.13 h1:lFzP57bqS/wsqKssCGmtLAb8A0wKjLGrve2q3PPVcBk=
+github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jackc/fake v0.0.0-20150926172116-812a484cc733/go.mod h1:WrMFNQdiFJ80sQsxDoMokWK1W5TQtxBFNpzWTD84ibQ=
 github.com/jackc/pgx v3.3.0+incompatible/go.mod h1:0ZGrqGqkRlliWnWB4zKnWtjbSWbGkVEFm4TeybAXq+I=
@@ -969,8 +970,9 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0 h1:hjy8E9ON/egN1tAYqKb61G10WtihqetD4sz2H+8nIeA=
+gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools/v3 v3.0.3 h1:4AuOwCGf4lLR9u3YOe2awrHygurzhO/HeQ6laiA6Sx0=
 gotest.tools/v3 v3.0.3/go.mod h1:Z7Lb0S5l+klDB31fvDQX8ss/FlKDxtlFlw3Oa8Ymbl8=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=