diff --git a/packages/@aws-cdk/cfnspec/spec-source/specification/000_cfn/000_official/000_AWS_ECS.json b/packages/@aws-cdk/cfnspec/spec-source/specification/000_cfn/000_official/000_AWS_ECS.json
index bdb8aa0798bd4..08d6ac23184a1 100644
--- a/packages/@aws-cdk/cfnspec/spec-source/specification/000_cfn/000_official/000_AWS_ECS.json
+++ b/packages/@aws-cdk/cfnspec/spec-source/specification/000_cfn/000_official/000_AWS_ECS.json
@@ -168,6 +168,17 @@
         }
       }
     },
+    "AWS::ECS::Cluster.ServiceConnectDefaults": {
+      "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-cluster-serviceconnectdefaults.html",
+      "Properties": {
+        "Namespace": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-cluster-serviceconnectdefaults.html#cfn-ecs-cluster-serviceconnectdefaults-namespace",
+          "PrimitiveType": "String",
+          "Required": false,
+          "UpdateType": "Mutable"
+        }
+      }
+    },
     "AWS::ECS::ClusterCapacityProviderAssociations.CapacityProviderStrategy": {
       "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-clustercapacityproviderassociations-capacityproviderstrategy.html",
       "Properties": {
@@ -319,6 +330,31 @@
         }
       }
     },
+    "AWS::ECS::Service.LogConfiguration": {
+      "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-logconfiguration.html",
+      "Properties": {
+        "LogDriver": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-logconfiguration.html#cfn-ecs-service-logconfiguration-logdriver",
+          "PrimitiveType": "String",
+          "Required": false,
+          "UpdateType": "Mutable"
+        },
+        "Options": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-logconfiguration.html#cfn-ecs-service-logconfiguration-options",
+          "PrimitiveItemType": "String",
+          "Required": false,
+          "Type": "Map",
+          "UpdateType": "Mutable"
+        },
+        "SecretOptions": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-logconfiguration.html#cfn-ecs-service-logconfiguration-secretoptions",
+          "ItemType": "Secret",
+          "Required": false,
+          "Type": "List",
+          "UpdateType": "Mutable"
+        }
+      }
+    },
     "AWS::ECS::Service.NetworkConfiguration": {
       "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-networkconfiguration.html",
       "Properties": {
@@ -364,6 +400,100 @@
         }
       }
     },
+    "AWS::ECS::Service.Secret": {
+      "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-secret.html",
+      "Properties": {
+        "Name": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-secret.html#cfn-ecs-service-secret-name",
+          "PrimitiveType": "String",
+          "Required": true,
+          "UpdateType": "Mutable"
+        },
+        "ValueFrom": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-secret.html#cfn-ecs-service-secret-valuefrom",
+          "PrimitiveType": "String",
+          "Required": true,
+          "UpdateType": "Mutable"
+        }
+      }
+    },
+    "AWS::ECS::Service.ServiceConnectClientAlias": {
+      "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectclientalias.html",
+      "Properties": {
+        "DnsName": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectclientalias.html#cfn-ecs-service-serviceconnectclientalias-dnsname",
+          "PrimitiveType": "String",
+          "Required": false,
+          "UpdateType": "Mutable"
+        },
+        "Port": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectclientalias.html#cfn-ecs-service-serviceconnectclientalias-port",
+          "PrimitiveType": "Integer",
+          "Required": true,
+          "UpdateType": "Mutable"
+        }
+      }
+    },
+    "AWS::ECS::Service.ServiceConnectConfiguration": {
+      "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectconfiguration.html",
+      "Properties": {
+        "Enabled": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectconfiguration.html#cfn-ecs-service-serviceconnectconfiguration-enabled",
+          "PrimitiveType": "Boolean",
+          "Required": true,
+          "UpdateType": "Mutable"
+        },
+        "LogConfiguration": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectconfiguration.html#cfn-ecs-service-serviceconnectconfiguration-logconfiguration",
+          "Required": false,
+          "Type": "LogConfiguration",
+          "UpdateType": "Mutable"
+        },
+        "Namespace": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectconfiguration.html#cfn-ecs-service-serviceconnectconfiguration-namespace",
+          "PrimitiveType": "String",
+          "Required": false,
+          "UpdateType": "Mutable"
+        },
+        "Services": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectconfiguration.html#cfn-ecs-service-serviceconnectconfiguration-services",
+          "ItemType": "ServiceConnectService",
+          "Required": false,
+          "Type": "List",
+          "UpdateType": "Mutable"
+        }
+      }
+    },
+    "AWS::ECS::Service.ServiceConnectService": {
+      "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectservice.html",
+      "Properties": {
+        "ClientAliases": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectservice.html#cfn-ecs-service-serviceconnectservice-clientaliases",
+          "ItemType": "ServiceConnectClientAlias",
+          "Required": false,
+          "Type": "List",
+          "UpdateType": "Mutable"
+        },
+        "DiscoveryName": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectservice.html#cfn-ecs-service-serviceconnectservice-discoveryname",
+          "PrimitiveType": "String",
+          "Required": false,
+          "UpdateType": "Mutable"
+        },
+        "IngressPortOverride": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectservice.html#cfn-ecs-service-serviceconnectservice-ingressportoverride",
+          "PrimitiveType": "Integer",
+          "Required": false,
+          "UpdateType": "Mutable"
+        },
+        "PortName": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceconnectservice.html#cfn-ecs-service-serviceconnectservice-portname",
+          "PrimitiveType": "String",
+          "Required": true,
+          "UpdateType": "Mutable"
+        }
+      }
+    },
     "AWS::ECS::Service.ServiceRegistry": {
       "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-service-serviceregistry.html",
       "Properties": {
@@ -1049,6 +1179,12 @@
     "AWS::ECS::TaskDefinition.PortMapping": {
       "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-containerdefinitions-portmappings.html",
       "Properties": {
+        "AppProtocol": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-containerdefinitions-portmappings.html#cfn-ecs-taskdefinition-portmapping-appprotocol",
+          "PrimitiveType": "String",
+          "Required": false,
+          "UpdateType": "Immutable"
+        },
         "ContainerPort": {
           "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-containerdefinitions-portmappings.html#cfn-ecs-taskdefinition-containerdefinition-portmappings-containerport",
           "PrimitiveType": "Integer",
@@ -1061,6 +1197,12 @@
           "Required": false,
           "UpdateType": "Immutable"
         },
+        "Name": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-containerdefinitions-portmappings.html#cfn-ecs-taskdefinition-portmapping-name",
+          "PrimitiveType": "String",
+          "Required": false,
+          "UpdateType": "Immutable"
+        },
         "Protocol": {
           "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-containerdefinitions-portmappings.html#cfn-ecs-taskdefinition-containerdefinition-portmappings-sourcevolume",
           "PrimitiveType": "String",
@@ -1461,6 +1603,12 @@
           "Type": "List",
           "UpdateType": "Mutable"
         },
+        "ServiceConnectDefaults": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ecs-cluster.html#cfn-ecs-cluster-serviceconnectdefaults",
+          "Required": false,
+          "Type": "ServiceConnectDefaults",
+          "UpdateType": "Mutable"
+        },
         "Tags": {
           "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ecs-cluster.html#cfn-ecs-cluster-tags",
           "ItemType": "Tag",
@@ -1636,6 +1784,12 @@
           "Required": false,
           "UpdateType": "Immutable"
         },
+        "ServiceConnectConfiguration": {
+          "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ecs-service.html#cfn-ecs-service-serviceconnectconfiguration",
+          "Required": false,
+          "Type": "ServiceConnectConfiguration",
+          "UpdateType": "Mutable"
+        },
         "ServiceName": {
           "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ecs-service.html#cfn-ecs-service-servicename",
           "PrimitiveType": "String",