diff --git a/COPYING b/COPYING
index 90c5c79..2047187 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,4 @@
-Copyright (C) 2014 Tim Rühsen
+Copyright (C) 2014-2015 Tim Rühsen
 
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),
diff --git a/LICENSE b/LICENSE
index 90c5c79..2047187 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (C) 2014 Tim Rühsen
+Copyright (C) 2014-2015 Tim Rühsen
 
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),
diff --git a/NEWS b/NEWS
index 6e7c53b..267603c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-Copyright (C) 2014 Tim Rühsen
+Copyright (C) 2014-2015 Tim Rühsen
 
 19.09.2025 Release V0.10.0
   * Code simplified
diff --git a/include/libpsl.h.in b/include/libpsl.h.in
index 33e6bfe..4f86a50 100644
--- a/include/libpsl.h.in
+++ b/include/libpsl.h.in
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2014 Tim Ruehsen
+ * Copyright(c) 2014-2015 Tim Ruehsen
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
diff --git a/src/psl.c b/src/psl.c
index 130b497..e9bcae2 100644
--- a/src/psl.c
+++ b/src/psl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2014 Tim Ruehsen
+ * Copyright(c) 2014-2015 Tim Ruehsen
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
diff --git a/src/psl2c.c b/src/psl2c.c
index 86b3c6e..e050194 100644
--- a/src/psl2c.c
+++ b/src/psl2c.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2014 Tim Ruehsen
+ * Copyright(c) 2014-2015 Tim Ruehsen
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
diff --git a/tests/test-is-cookie-domain-acceptable.c b/tests/test-is-cookie-domain-acceptable.c
index f5c9ae5..c50342d 100644
--- a/tests/test-is-cookie-domain-acceptable.c
+++ b/tests/test-is-cookie-domain-acceptable.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2014 Tim Ruehsen
+ * Copyright(c) 2014-2015 Tim Ruehsen
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
diff --git a/tests/test-is-public-all.c b/tests/test-is-public-all.c
index 9bc7ea0..705e79f 100644
--- a/tests/test-is-public-all.c
+++ b/tests/test-is-public-all.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2014 Tim Ruehsen
+ * Copyright(c) 2014-2015 Tim Ruehsen
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
diff --git a/tests/test-is-public-builtin.c b/tests/test-is-public-builtin.c
index d3c2d44..0aa5762 100644
--- a/tests/test-is-public-builtin.c
+++ b/tests/test-is-public-builtin.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2014 Tim Ruehsen
+ * Copyright(c) 2014-2015 Tim Ruehsen
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
diff --git a/tests/test-is-public.c b/tests/test-is-public.c
index 828c946..5d32425 100644
--- a/tests/test-is-public.c
+++ b/tests/test-is-public.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2014 Tim Ruehsen
+ * Copyright(c) 2014-2015 Tim Ruehsen
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
diff --git a/tests/test-registrable-domain.c b/tests/test-registrable-domain.c
index b263075..c9c3604 100644
--- a/tests/test-registrable-domain.c
+++ b/tests/test-registrable-domain.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2014 Tim Ruehsen
+ * Copyright(c) 2014-2015 Tim Ruehsen
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
diff --git a/tools/psl.c b/tools/psl.c
index 2756ca2..6790efe 100644
--- a/tools/psl.c
+++ b/tools/psl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright(c) 2014 Tim Ruehsen
+ * Copyright(c) 2014-2015 Tim Ruehsen
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -120,7 +120,7 @@ int main(int argc, const char *const *argv)
 				printf("psl %s\n", PACKAGE_VERSION);
 				printf("libpsl %s\n", psl_get_version());
 				printf("\n");
-				printf("Copyright (C) 2014 Tim Ruehsen\n");
+				printf("Copyright (C) 2014-2015 Tim Ruehsen\n");
 				printf("License: MIT\n");
 				exit(0);
 			}