diff --git a/include/dic.h b/include/dic.h
index a04e49c..3255679 100644
--- a/include/dic.h
+++ b/include/dic.h
@@ -33,7 +33,7 @@
 //     SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #pragma clang diagnostic push
diff --git a/include/dicformat.h b/include/dicformat.h
index 112f095..183bed1 100644
--- a/include/dicformat.h
+++ b/include/dicformat.h
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #ifndef LIBDICFORMAT_DICFORMAT_H
diff --git a/include/dicformat/consts.h b/include/dicformat/consts.h
index f5bbbb6..5a119da 100644
--- a/include/dicformat/consts.h
+++ b/include/dicformat/consts.h
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #pragma clang diagnostic push
diff --git a/include/dicformat/context.h b/include/dicformat/context.h
index 92100a8..0b3e0cb 100644
--- a/include/dicformat/context.h
+++ b/include/dicformat/context.h
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 #ifndef LIBDICFORMAT_CONTEXT_H
 #define LIBDICFORMAT_CONTEXT_H
diff --git a/include/dicformat/decls.h b/include/dicformat/decls.h
index 2681a9a..92017bf 100644
--- a/include/dicformat/decls.h
+++ b/include/dicformat/decls.h
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #ifndef LIBDICFORMAT_DECLS_H
diff --git a/include/dicformat/structs.h b/include/dicformat/structs.h
index 63b8a6d..9cc4c24 100644
--- a/include/dicformat/structs.h
+++ b/include/dicformat/structs.h
@@ -27,7 +27,7 @@
 //     License aint64_t with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #pragma clang diagnostic push
diff --git a/src/close.c b/src/close.c
index 419e5aa..656b6b6 100644
--- a/src/close.c
+++ b/src/close.c
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #include <dicformat.h>
diff --git a/src/crc64.c b/src/crc64.c
index ba1d0f2..371e48f 100644
--- a/src/crc64.c
+++ b/src/crc64.c
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #include <dicformat.h>
diff --git a/src/cst.c b/src/cst.c
index af33b1a..9b620bf 100644
--- a/src/cst.c
+++ b/src/cst.c
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #include <dicformat.h>
diff --git a/src/ecc_cd.c b/src/ecc_cd.c
index 7272764..c48210b 100644
--- a/src/ecc_cd.c
+++ b/src/ecc_cd.c
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ECC algorithm from ECM(c) 2002-2011 Neill Corlett
 // ****************************************************************************/
 
diff --git a/src/helpers.c b/src/helpers.c
index 9ff6b1f..cd7183d 100644
--- a/src/helpers.c
+++ b/src/helpers.c
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #include <dic.h>
diff --git a/src/identify.c b/src/identify.c
index c7159f3..2c80fab 100644
--- a/src/identify.c
+++ b/src/identify.c
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #include <dicformat.h>
diff --git a/src/open.c b/src/open.c
index 3ccd060..f6c1ba0 100644
--- a/src/open.c
+++ b/src/open.c
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #include <dicformat.h>
diff --git a/src/read.c b/src/read.c
index 165c911..ab9e86a 100644
--- a/src/read.c
+++ b/src/read.c
@@ -27,7 +27,7 @@
 //     License along with this library; if not, see <http://www.gnu.org/licenses/>.
 //
 // ----------------------------------------------------------------------------
-// Copyright © 2011-2019 Natalia Portillo
+// Copyright © 2011-2020 Natalia Portillo
 // ****************************************************************************/
 
 #include <dicformat.h>