diff --git a/LICENSE b/LICENSE
index 03e9242..ea09337 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 EOS Sw/eden
+Copyright (c) 2019-2020 EOS Sw/eden
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/WIF.cpp b/src/WIF.cpp
index c305df5..b25508a 100644
--- a/src/WIF.cpp
+++ b/src/WIF.cpp
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/WIF.h b/src/WIF.h
index c75e4fa..d3518b0 100644
--- a/src/WIF.h
+++ b/src/WIF.h
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/base58.h b/src/base58.h
index 77e4b11..82039b5 100644
--- a/src/base58.h
+++ b/src/base58.h
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/checksum.cpp b/src/checksum.cpp
index 3cc63bd..3c29dcb 100644
--- a/src/checksum.cpp
+++ b/src/checksum.cpp
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/checksum.h b/src/checksum.h
index dd37e7c..44bfef8 100644
--- a/src/checksum.h
+++ b/src/checksum.h
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/ec.cpp b/src/ec.cpp
index 2e1859a..d277eda 100644
--- a/src/ec.cpp
+++ b/src/ec.cpp
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/ec.h b/src/ec.h
index 298d404..b29a8a4 100644
--- a/src/ec.h
+++ b/src/ec.h
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/main.cpp b/src/main.cpp
index a337d71..fa85b73 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/types.h b/src/types.h
index f470270..eba5182 100644
--- a/src/types.h
+++ b/src/types.h
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/utils.cpp b/src/utils.cpp
index 2c7ee56..0e2cdb0 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/utils.h b/src/utils.h
index df5aac6..0fc6518 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -1,7 +1,7 @@
 /**
  * MIT License
  *
- * Copyright (c) 2019 EOS Sw/eden
+ * Copyright (c) 2019-2020 EOS Sw/eden
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal