diff --git a/dcrec/secp256k1/bench_test.go b/dcrec/secp256k1/bench_test.go
index ed5365c0..b5424e82 100644
--- a/dcrec/secp256k1/bench_test.go
+++ b/dcrec/secp256k1/bench_test.go
@@ -1,5 +1,5 @@
 // Copyright 2013-2016 The btcsuite developers
-// Copyright (c) 2015-2020 The Decred developers
+// Copyright (c) 2015-2021 The Decred developers
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/dcrec/secp256k1/curve_test.go b/dcrec/secp256k1/curve_test.go
index b70fcaaf..800d1823 100644
--- a/dcrec/secp256k1/curve_test.go
+++ b/dcrec/secp256k1/curve_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2015-2020 The Decred developers
+// Copyright (c) 2015-2021 The Decred developers
 // Copyright 2013-2016 The btcsuite developers
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
diff --git a/dcrec/secp256k1/field.go b/dcrec/secp256k1/field.go
index 959a9a16..43e27a91 100644
--- a/dcrec/secp256k1/field.go
+++ b/dcrec/secp256k1/field.go
@@ -1,6 +1,6 @@
 // Copyright (c) 2013-2014 The btcsuite developers
-// Copyright (c) 2015-2020 The Decred developers
-// Copyright (c) 2013-2020 Dave Collins
+// Copyright (c) 2015-2021 The Decred developers
+// Copyright (c) 2013-2021 Dave Collins
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/dcrec/secp256k1/go.mod b/dcrec/secp256k1/go.mod
index d15095a8..334460da 100644
--- a/dcrec/secp256k1/go.mod
+++ b/dcrec/secp256k1/go.mod
@@ -1,5 +1,5 @@
 module github.com/decred/dcrd/dcrec/secp256k1/v4
 
-go 1.13
+go 1.16
 
 require github.com/decred/dcrd/crypto/blake256 v1.0.0