diff --git a/access/grpc/client.go b/access/grpc/client.go
index 6f69330e2..b44a7a4df 100644
--- a/access/grpc/client.go
+++ b/access/grpc/client.go
@@ -40,7 +40,7 @@ const EmulatorHost = "127.0.0.1:3569"
 const TestnetHost = "access.devnet.nodes.onflow.org:9000"
 const CanarynetHost = "access.canary.nodes.onflow.org:9000"
 const MainnetHost = "access.mainnet.nodes.onflow.org:9000"
-const CrescendoHost = "access.crescendo.nodes.onflow.org:9000"
+const PreviewnetHost = "access.previewnet.nodes.onflow.org:9000"
 
 // NewClient creates an gRPC client exposing all the common access APIs.
 // Client will use provided host for connection.
diff --git a/access/http/client.go b/access/http/client.go
index a779ee67c..1b8bba708 100644
--- a/access/http/client.go
+++ b/access/http/client.go
@@ -28,11 +28,11 @@ import (
 )
 
 const (
-	EmulatorHost  = "http://127.0.0.1:8888/v1"
-	TestnetHost   = "https://rest-testnet.onflow.org/v1"
-	MainnetHost   = "https://rest-mainnet.onflow.org/v1"
-	CanarynetHost = "https://rest-canary.onflow.org/v1"
-	CrescendoHost = "https://rest-crescendo.onflow.org/v1"
+	EmulatorHost   = "http://127.0.0.1:8888/v1"
+	TestnetHost    = "https://rest-testnet.onflow.org/v1"
+	MainnetHost    = "https://rest-mainnet.onflow.org/v1"
+	CanarynetHost  = "https://rest-canary.onflow.org/v1"
+	PreviewnetHost = "https://rest-previewnet.onflow.org/v1"
 )
 
 // NewClient creates an HTTP client exposing all the common access APIs.
diff --git a/flow.go b/flow.go
index 2694822d1..e555b4e22 100644
--- a/flow.go
+++ b/flow.go
@@ -104,11 +104,10 @@ const (
 	// Testnet is the chain ID for the testnet chain.
 	Testnet ChainID = "flow-testnet"
 
-	// Crescendo is the chain ID for the crescendo chain.
-	Crescendo ChainID = "flow-crescendo"
-
 	// Transient test networks
 
+	// Previewnet is the chain ID for the previewnet chain.
+	Previewnet ChainID = "flow-previewnet"
 	// Benchnet is the chain ID for the transient benchmarking chain.
 	Benchnet ChainID = "flow-benchnet"
 	// Localnet is the chain ID for the local development chain.
@@ -127,7 +126,7 @@ func (id ChainID) String() string {
 }
 
 type NetworkParameters struct {
-	ChainID          ChainID
+	ChainID ChainID
 }
 
 // entityHasher is a thread-safe hasher used to hash Flow entities.