diff --git a/cpreproc.py b/cpreproc.py
index 8ef61f4..b4c79c5 100644
--- a/cpreproc.py
+++ b/cpreproc.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/fndata.txt b/fndata.txt
index 4586654..12effe0 100644
--- a/fndata.txt
+++ b/fndata.txt
@@ -1,6 +1,6 @@
 # Function properties table
 #
-# Copyright © 2015-2019 Sei Lisa. All rights reserved.
+# Copyright © 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslbasefuncs.py b/lslopt/lslbasefuncs.py
index f5ff665..9525f44 100644
--- a/lslopt/lslbasefuncs.py
+++ b/lslopt/lslbasefuncs.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslcommon.py b/lslopt/lslcommon.py
index f58a0ae..b6b7c01 100644
--- a/lslopt/lslcommon.py
+++ b/lslopt/lslcommon.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lsldeadcode.py b/lslopt/lsldeadcode.py
index bf2309a..f158a10 100644
--- a/lslopt/lsldeadcode.py
+++ b/lslopt/lsldeadcode.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslextrafuncs.py b/lslopt/lslextrafuncs.py
index f5e00a2..e72e1fe 100644
--- a/lslopt/lslextrafuncs.py
+++ b/lslopt/lslextrafuncs.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslfoldconst.py b/lslopt/lslfoldconst.py
index 2fe7573..b86bcb8 100644
--- a/lslopt/lslfoldconst.py
+++ b/lslopt/lslfoldconst.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslfuncopt.py b/lslopt/lslfuncopt.py
index 4de38f4..087f08a 100644
--- a/lslopt/lslfuncopt.py
+++ b/lslopt/lslfuncopt.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslfuncs.py b/lslopt/lslfuncs.py
index 2ff8061..5732fdf 100644
--- a/lslopt/lslfuncs.py
+++ b/lslopt/lslfuncs.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslinliner.py b/lslopt/lslinliner.py
index 13b791a..fe179bb 100644
--- a/lslopt/lslinliner.py
+++ b/lslopt/lslinliner.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lsljson.py b/lslopt/lsljson.py
index b139cdb..6309754 100644
--- a/lslopt/lsljson.py
+++ b/lslopt/lsljson.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lsllastpass.py b/lslopt/lsllastpass.py
index f5007d9..0dbee34 100644
--- a/lslopt/lsllastpass.py
+++ b/lslopt/lsllastpass.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslloadlib.py b/lslopt/lslloadlib.py
index bf54125..d035e4f 100644
--- a/lslopt/lslloadlib.py
+++ b/lslopt/lslloadlib.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lsloptimizer.py b/lslopt/lsloptimizer.py
index 02bd3a3..c10ee63 100644
--- a/lslopt/lsloptimizer.py
+++ b/lslopt/lsloptimizer.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lsloutput.py b/lslopt/lsloutput.py
index 67e9b99..be04419 100644
--- a/lslopt/lsloutput.py
+++ b/lslopt/lsloutput.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslparse.py b/lslopt/lslparse.py
index d5ea640..48c520b 100644
--- a/lslopt/lslparse.py
+++ b/lslopt/lslparse.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/lslopt/lslrenamer.py b/lslopt/lslrenamer.py
index 62976c8..7f3a0b5 100644
--- a/lslopt/lslrenamer.py
+++ b/lslopt/lslrenamer.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/main.py b/main.py
index bad9485..cbd98af 100755
--- a/main.py
+++ b/main.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2
 #
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
@@ -205,7 +205,7 @@ def Usage(progname, about = None):
         werr(
 u"""LSL optimizer v{version}
 
-    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 
     This program comes with ABSOLUTELY NO WARRANTY.
     This is free software, and you are welcome to redistribute it
diff --git a/run-tests.py b/run-tests.py
index 32f97d5..9fbbc2b 100755
--- a/run-tests.py
+++ b/run-tests.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2
 #
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #
diff --git a/strutil.py b/strutil.py
index 7fcc8a3..a8bdc46 100644
--- a/strutil.py
+++ b/strutil.py
@@ -1,4 +1,4 @@
-#    (C) Copyright 2015-2023 Sei Lisa. All rights reserved.
+#    (C) Copyright 2015-2024 Sei Lisa. All rights reserved.
 #
 #    This file is part of LSL PyOptimizer.
 #