diff --git a/CMakeLists.txt b/CMakeLists.txt
index 88385ac263d03ef6a0280a9e952743300c70ea0a..40da57eae9c563eb27c28d1e0a724ddeb10601a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 #  GL2PS, an OpenGL to PostScript Printing Library
-#  Copyright (C) 1999-2015 C. Geuzaine
+#  Copyright (C) 1999-2017 C. Geuzaine
 # 
 #  This program is free software; you can redistribute it and/or
 #  modify it under the terms of either:
diff --git a/gl2ps.c b/gl2ps.c
index 28102fa7e701a0c9b7436ec6a0e1cebc48a0a020..5c17ec0933a58c2178f78f67182ac5f9bd63778f 100644
--- a/gl2ps.c
+++ b/gl2ps.c
@@ -1,6 +1,6 @@
 /*
  * GL2PS, an OpenGL to PostScript Printing Library
- * Copyright (C) 1999-2015 C. Geuzaine
+ * Copyright (C) 1999-2017 C. Geuzaine
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of either:
diff --git a/gl2ps.h b/gl2ps.h
index 59b091f5916ec55e8dbfb135ab32f454fd87b58d..8cc4c298c3150b051a44b93365bf73673db5f226 100644
--- a/gl2ps.h
+++ b/gl2ps.h
@@ -1,6 +1,6 @@
 /*
  * GL2PS, an OpenGL to PostScript Printing Library
- * Copyright (C) 1999-2015 C. Geuzaine
+ * Copyright (C) 1999-2017 C. Geuzaine
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of either:
@@ -94,7 +94,7 @@
                        0.01 * GL2PS_MINOR_VERSION + \
                        0.0001 * GL2PS_PATCH_VERSION)
 
-#define GL2PS_COPYRIGHT "(C) 1999-2015 C. Geuzaine"
+#define GL2PS_COPYRIGHT "(C) 1999-2017 C. Geuzaine"
 
 /* Output file formats (the values and the ordering are important!) */
 
diff --git a/gl2ps.tex b/gl2ps.tex
index d1c3141529df49c0b87ecf75f0d044d26eea5e7e..54836deb6c48409551eb3847aa442c357a6d15dd 100644
--- a/gl2ps.tex
+++ b/gl2ps.tex
@@ -1,6 +1,6 @@
 %
 %  GL2PS, an OpenGL to PostScript Printing Library
-%  Copyright (C) 1999-2015 C. Geuzaine
+%  Copyright (C) 1999-2017 C. Geuzaine
 %
 %  This program is free software; you can redistribute it and/or
 %  modify it under the terms of either:
diff --git a/gl2psTest.c b/gl2psTest.c
index 2d2a82548be13c3e31134f7571f82d97ff637e83..15b4776bb40da7924da47a9f94f4137715e0f319 100644
--- a/gl2psTest.c
+++ b/gl2psTest.c
@@ -1,6 +1,6 @@
 /*
  * GL2PS, an OpenGL to PostScript Printing Library
- * Copyright (C) 1999-2015 Christophe Geuzaine <geuz@geuz.org>
+ * Copyright (C) 1999-2017 Christophe Geuzaine <geuz@geuz.org>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of either:
diff --git a/gl2psTestSimple.c b/gl2psTestSimple.c
index 7f16589ba1c415ed20f177ccae658a52ab07c87c..366db5455f8ac80df50524b4b98b1739d9eead80 100644
--- a/gl2psTestSimple.c
+++ b/gl2psTestSimple.c
@@ -1,6 +1,6 @@
 /*
  * GL2PS, an OpenGL to PostScript Printing Library
- * Copyright (C) 1999-2015 Christophe Geuzaine <geuz@geuz.org>
+ * Copyright (C) 1999-2017 Christophe Geuzaine <geuz@geuz.org>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of either:
@@ -104,7 +104,7 @@ static void display(void)
 
   glColor3f(0.1,0.1,0.1);
 
-  /* Draw 3 broken lines to show line cap an line join features (which have 
+  /* Draw 3 broken lines to show line cap an line join features (which have
      no opengl counterpart) */
   glLineWidth(6.);
   gl2psLineWidth (6.);
@@ -132,7 +132,7 @@ static void display(void)
   glVertex3f(0.35, 0.98, 0);
   glVertex3f(0.5, 0.8, 0);
   glEnd();
-  
+
   /* draw a stippled line with many small segments (this tests the
      ability of gl2ps to render lines using as few strokes as
      possible) */