diff --git a/charset.c b/charset.c
index 44d15e2..071467c 100644
--- a/charset.c
+++ b/charset.c
@@ -14,7 +14,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/* Copyright (C) 2018-2024 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
+/* Copyright (C) 2018-2025 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
 
 /* standard things */
 #include <stdio.h>          /* puts, printf, BUFSIZ, perror, FILE */
diff --git a/charset.h b/charset.h
index 949112d..62fd699 100644
--- a/charset.h
+++ b/charset.h
@@ -14,7 +14,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/* Copyright (C) 2018-2024 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
+/* Copyright (C) 2018-2025 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
 
 #ifndef SSOCR2_CHARSET_H
 #define SSOCR2_CHARSET_H
diff --git a/defines.h b/defines.h
index 5385c92..f14fa34 100644
--- a/defines.h
+++ b/defines.h
@@ -14,7 +14,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/* Copyright (C) 2004-2024 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
+/* Copyright (C) 2004-2025 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
 /* Copyright (C) 2013 Cristiano Fontana <fontanacl@ornl.gov> */
 
 #define PROG "ssocr"
diff --git a/help.c b/help.c
index cbe0f5a..4543944 100644
--- a/help.c
+++ b/help.c
@@ -14,7 +14,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/* Copyright (C) 2004-2024 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
+/* Copyright (C) 2004-2025 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
 /* Copyright (C) 2013 Cristiano Fontana <fontanacl@ornl.gov> */
 
 /* standard things */
@@ -92,7 +92,7 @@ void print_version(FILE *f)
 {
   fprintf(f, "Seven Segment Optical Character Recognition Version %s\n",
              VERSION);
-  fprintf(f, "Copyright (C) 2004-2024 Erik Auerswald"
+  fprintf(f, "Copyright (C) 2004-2025 Erik Auerswald"
              " <auerswal@unix-ag.uni-kl.de>\n");
   fprintf(f, "This program comes with ABSOLUTELY NO WARRANTY.\n");
   fprintf(f, "This is free software, and you are welcome to redistribute it"
diff --git a/help.h b/help.h
index 8b213e4..6004165 100644
--- a/help.h
+++ b/help.h
@@ -14,7 +14,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/* Copyright (C) 2004-2024 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
+/* Copyright (C) 2004-2025 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
 
 #ifndef SSOCR2_HELP_H
 #define SSOCR2_HELP_H
diff --git a/imgproc.c b/imgproc.c
index 6155679..036fef2 100644
--- a/imgproc.c
+++ b/imgproc.c
@@ -14,7 +14,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/* Copyright (C) 2004-2024 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
+/* Copyright (C) 2004-2025 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
 
 /* ImLib2 Header */
 #include <X11/Xlib.h>       /* needed by Imlib2.h */
diff --git a/imgproc.h b/imgproc.h
index 1450f64..711320e 100644
--- a/imgproc.h
+++ b/imgproc.h
@@ -14,7 +14,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/* Copyright (C) 2004-2024 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
+/* Copyright (C) 2004-2025 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
 
 #ifndef SSOCR2_IMGPROC_H
 #define SSOCR2_IMGPROC_H
diff --git a/notdebian/copyright b/notdebian/copyright
index 71f41fa..008f9c7 100644
--- a/notdebian/copyright
+++ b/notdebian/copyright
@@ -12,7 +12,7 @@ Upstream Author(s):
 
 Copyright:
 
-    Copyright (C) 2004-2024 Erik Auerswald
+    Copyright (C) 2004-2025 Erik Auerswald
 
 License:
 
diff --git a/ssocr.c b/ssocr.c
index aa34482..e6e6cc7 100644
--- a/ssocr.c
+++ b/ssocr.c
@@ -14,7 +14,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/* Copyright (C) 2004-2024 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
+/* Copyright (C) 2004-2025 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
 /* Copyright (C) 2013 Cristiano Fontana <fontanacl@ornl.gov> */
 
 /* ImLib2 Header */
diff --git a/ssocr.h b/ssocr.h
index 7e8e2a2..f1323a0 100644
--- a/ssocr.h
+++ b/ssocr.h
@@ -14,7 +14,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/* Copyright (C) 2004-2024 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
+/* Copyright (C) 2004-2025 Erik Auerswald <auerswal@unix-ag.uni-kl.de> */
 
 #ifndef SSOCR2_H
 #define SSOCR2_H