diff --git a/addrconvs.go b/addrconvs.go
index d7d5214..3ee23e0 100644
--- a/addrconvs.go
+++ b/addrconvs.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/addrconvs_test.go b/addrconvs_test.go
index e32151a..e952f74 100644
--- a/addrconvs_test.go
+++ b/addrconvs_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/appdata.go b/appdata.go
index fa0e437..cc9f311 100644
--- a/appdata.go
+++ b/appdata.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/appdata_test.go b/appdata_test.go
index 575d28f..7a61f49 100644
--- a/appdata_test.go
+++ b/appdata_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/base58.go b/base58.go
index 0e6bd79..a199510 100644
--- a/base58.go
+++ b/base58.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/base58_test.go b/base58_test.go
index 78e78a7..763e38e 100644
--- a/base58_test.go
+++ b/base58_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/block.go b/block.go
index 6554fe2..5a16baf 100644
--- a/block.go
+++ b/block.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/block_test.go b/block_test.go
index 9f5adab..2dd4e7e 100644
--- a/block_test.go
+++ b/block_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/const.go b/const.go
index 08f20ff..a18b28d 100644
--- a/const.go
+++ b/const.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/doc.go b/doc.go
index 1640cf2..3042aa7 100644
--- a/doc.go
+++ b/doc.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/hash160.go b/hash160.go
index a65956f..545c369 100644
--- a/hash160.go
+++ b/hash160.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/internal_test.go b/internal_test.go
index 5c7bacc..71debcc 100644
--- a/internal_test.go
+++ b/internal_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/tx.go b/tx.go
index 08d0c63..e3c1cc2 100644
--- a/tx.go
+++ b/tx.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
diff --git a/tx_test.go b/tx_test.go
index 41275be..19625e1 100644
--- a/tx_test.go
+++ b/tx_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2013 Conformal Systems LLC.
+// Copyright (c) 2013-2014 Conformal Systems LLC.
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.