diff --git a/dcrutil/address.go b/dcrutil/address.go
index 02cd14d2..f8882a7f 100644
--- a/dcrutil/address.go
+++ b/dcrutil/address.go
@@ -12,7 +12,7 @@ import (
 	"golang.org/x/crypto/ripemd160"
 
 	"github.com/decred/base58"
-	"github.com/decred/dcrd/chaincfg/chainec"
+	"github.com/decred/dcrd/chaincfg/v2/chainec"
 	"github.com/decred/dcrd/dcrec"
 	"github.com/decred/dcrd/dcrec/edwards"
 	"github.com/decred/dcrd/dcrec/secp256k1"
diff --git a/dcrutil/address_test.go b/dcrutil/address_test.go
index fc8c6cce..2b5ace53 100644
--- a/dcrutil/address_test.go
+++ b/dcrutil/address_test.go
@@ -13,7 +13,7 @@ import (
 	"testing"
 
 	"github.com/decred/base58"
-	"github.com/decred/dcrd/chaincfg/chainec"
+	"github.com/decred/dcrd/chaincfg/v2/chainec"
 	"github.com/decred/dcrd/dcrec"
 	"github.com/decred/dcrd/dcrec/secp256k1"
 	"golang.org/x/crypto/ripemd160"
diff --git a/dcrutil/example_test.go b/dcrutil/example_test.go
index 7691ca5b..52ec732a 100644
--- a/dcrutil/example_test.go
+++ b/dcrutil/example_test.go
@@ -8,7 +8,7 @@ import (
 	"fmt"
 	"math"
 
-	"github.com/decred/dcrd/chaincfg"
+	"github.com/decred/dcrd/chaincfg/v2"
 	"github.com/decred/dcrd/dcrec"
 	"github.com/decred/dcrd/dcrutil"
 )
@@ -88,12 +88,13 @@ func ExampleDecodeAddress() {
 	// Ordinarily addresses would be read from the user or the result of a
 	// derivation, but they are hard coded here for the purposes of this
 	// example.
+	mainNetParmas := chaincfg.MainNetParams()
 	addrsToDecode := []string{
 		"DsRUvfCwTMrKz29dDiQBJhZii9GDN3bVx6Q", // pay-to-pubkey-hash ecdsa
 		"DSpf9Sru9MarMKQQnuzTiQ9tjWVJA3KSm2d", // pay-to-pubkey-hash schnorr
 	}
 	for idx, encodedAddr := range addrsToDecode {
-		addr, err := dcrutil.DecodeAddress(encodedAddr, &chaincfg.MainNetParams)
+		addr, err := dcrutil.DecodeAddress(encodedAddr, mainNetParmas)
 		if err != nil {
 			fmt.Println(err)
 			return
diff --git a/dcrutil/go.mod b/dcrutil/go.mod
index bb206d20..fc3c19d4 100644
--- a/dcrutil/go.mod
+++ b/dcrutil/go.mod
@@ -5,11 +5,11 @@ go 1.11
 require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/decred/base58 v1.0.0
-	github.com/decred/dcrd/chaincfg v1.5.1
 	github.com/decred/dcrd/chaincfg/chainhash v1.0.1
+	github.com/decred/dcrd/chaincfg/v2 v2.0.2
 	github.com/decred/dcrd/dcrec v1.0.0
 	github.com/decred/dcrd/dcrec/edwards v1.0.0
-	github.com/decred/dcrd/dcrec/secp256k1 v1.0.1
+	github.com/decred/dcrd/dcrec/secp256k1 v1.0.2
 	github.com/decred/dcrd/wire v1.2.0
 	golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8
 )
diff --git a/dcrutil/go.sum b/dcrutil/go.sum
index 2059d2e4..b224f53c 100644
--- a/dcrutil/go.sum
+++ b/dcrutil/go.sum
@@ -8,16 +8,18 @@ github.com/dchest/blake256 v1.0.0 h1:6gUgI5MHdz9g0TdrgKqXsoDX+Zjxmm1Sc6OsoGru50I
 github.com/dchest/blake256 v1.0.0/go.mod h1:xXNWCE1jsAP8DAjP+rKw2MbeqLczjI3TRx2VK+9OEYY=
 github.com/decred/base58 v1.0.0 h1:BVi1FQCThIjZ0ehG+I99NJ51o0xcc9A/fDKhmJxY6+w=
 github.com/decred/base58 v1.0.0/go.mod h1:LLY1p5e3g91byL/UO1eiZaYd+uRoVRarybgcoymu9Ks=
-github.com/decred/dcrd/chaincfg v1.5.1 h1:u1Xbq0VTnAXIHW5ECqrWe0VYSgf5vWHqpSiwoLBzxAQ=
-github.com/decred/dcrd/chaincfg v1.5.1/go.mod h1:FukMzTjkwzjPU+hK7CqDMQe3NMbSZAYU5PAcsx1wlv0=
 github.com/decred/dcrd/chaincfg/chainhash v1.0.1 h1:0vG7U9+dSjSCaHQKdoSKURK2pOb47+b+8FK5q4+Je7M=
 github.com/decred/dcrd/chaincfg/chainhash v1.0.1/go.mod h1:OVfvaOsNLS/A1y4Eod0Ip/Lf8qga7VXCQjUQLbkY0Go=
+github.com/decred/dcrd/chaincfg/v2 v2.0.2 h1:VeGY52lHuYT01tIGbvYj+OO0GaGxGaJmnh+4vGca1+U=
+github.com/decred/dcrd/chaincfg/v2 v2.0.2/go.mod h1:hpKvhLCDAD/xDZ3V1Pqpv9fIKVYYi11DyxETguazyvg=
 github.com/decred/dcrd/dcrec v1.0.0 h1:W+z6Es+Rai3MXYVoPAxYr5U1DGis0Co33scJ6uH2J6o=
 github.com/decred/dcrd/dcrec v1.0.0/go.mod h1:HIaqbEJQ+PDzQcORxnqen5/V1FR3B4VpIfmePklt8Q8=
 github.com/decred/dcrd/dcrec/edwards v1.0.0 h1:UDcPNzclKiJlWqV3x1Fl8xMCJrolo4PB4X9t8LwKDWU=
 github.com/decred/dcrd/dcrec/edwards v1.0.0/go.mod h1:HblVh1OfMt7xSxUL1ufjToaEvpbjpWvvTAUx4yem8BI=
 github.com/decred/dcrd/dcrec/secp256k1 v1.0.1 h1:EFWVd1p0t0Y5tnsm/dJujgV0ORogRJ6vo7CMAjLseAc=
 github.com/decred/dcrd/dcrec/secp256k1 v1.0.1/go.mod h1:lhu4eZFSfTJWUnR3CFRcpD+Vta0KUAqnhTsTksHXgy0=
+github.com/decred/dcrd/dcrec/secp256k1 v1.0.2 h1:awk7sYJ4pGWmtkiGHFfctztJjHMKGLV8jctGQhAbKe0=
+github.com/decred/dcrd/dcrec/secp256k1 v1.0.2/go.mod h1:CHTUIVfmDDd0KFVFpNX1pFVCBUegxW387nN0IGwNKR0=
 github.com/decred/dcrd/wire v1.2.0 h1:HqJVB7vcklIguzFWgRXw/WYCQ9cD3bUC5TKj53i1Hng=
 github.com/decred/dcrd/wire v1.2.0/go.mod h1:/JKOsLInOJu6InN+/zH5AyCq3YDIOW/EqcffvU8fJHM=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
diff --git a/dcrutil/wif.go b/dcrutil/wif.go
index 9e57e1b6..52a62a76 100644
--- a/dcrutil/wif.go
+++ b/dcrutil/wif.go
@@ -11,8 +11,8 @@ import (
 	"fmt"
 
 	"github.com/decred/base58"
-	"github.com/decred/dcrd/chaincfg/chainec"
 	"github.com/decred/dcrd/chaincfg/chainhash"
+	"github.com/decred/dcrd/chaincfg/v2/chainec"
 	"github.com/decred/dcrd/dcrec"
 	"github.com/decred/dcrd/dcrec/edwards"
 	"github.com/decred/dcrd/dcrec/secp256k1"
diff --git a/dcrutil/wif_test.go b/dcrutil/wif_test.go
index 656176dd..4a846702 100644
--- a/dcrutil/wif_test.go
+++ b/dcrutil/wif_test.go
@@ -8,7 +8,7 @@ package dcrutil
 import (
 	"testing"
 
-	"github.com/decred/dcrd/chaincfg/chainec"
+	"github.com/decred/dcrd/chaincfg/v2/chainec"
 	"github.com/decred/dcrd/dcrec"
 	"github.com/decred/dcrd/dcrec/edwards"
 	"github.com/decred/dcrd/dcrec/secp256k1"