diff --git a/Documentation/conf.py b/Documentation/conf.py
index 909deadb7..2f58c3c31 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -20,7 +20,7 @@
 # -- Project information -----------------------------------------------------
 
 project = 'Icarus Verilog'
-copyright = '2023, Stephen Williams'
+copyright = '2024, Stephen Williams'
 author = 'Stephen Williams'
 
 # The short X.Y version
diff --git a/Documentation/developer/guide/misc/swift.rst b/Documentation/developer/guide/misc/swift.rst
index 95191f72f..7f5c4d949 100644
--- a/Documentation/developer/guide/misc/swift.rst
+++ b/Documentation/developer/guide/misc/swift.rst
@@ -2,7 +2,7 @@
 Swift Model Support (Preliminary)
 =================================
 
-    Copyright 2003 Stephen Williams
+    Copyright 2003-2024 Stephen Williams
 
   NOTE: SWIFT support does not work yet, these are provisional
   instructions, intended to show what's supposed to happen when I get
diff --git a/Documentation/developer/guide/vpi/va_math.rst b/Documentation/developer/guide/vpi/va_math.rst
index b671b1dea..ac63a9494 100644
--- a/Documentation/developer/guide/vpi/va_math.rst
+++ b/Documentation/developer/guide/vpi/va_math.rst
@@ -8,7 +8,7 @@ License.
   Verilog-A math library built for Icarus Verilog
   https://github.com/steveicarus/iverilog/
 
-  Copyright (C) 2007-2010  Cary R. (cygcary@yahoo.com)
+  Copyright (C) 2007-2024  Cary R. (cygcary@yahoo.com)
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
diff --git a/Documentation/developer/guide/vvp/opcodes.rst b/Documentation/developer/guide/vvp/opcodes.rst
index 011e1701b..dd7e6cffc 100644
--- a/Documentation/developer/guide/vvp/opcodes.rst
+++ b/Documentation/developer/guide/vvp/opcodes.rst
@@ -1338,7 +1338,7 @@ table for the xor is:
 ::
 
     /*
-     * Copyright (c) 2001-2023 Stephen Williams (steve@icarus.com)
+     * Copyright (c) 2001-2024 Stephen Williams (steve@icarus.com)
      *
      *    This source code is free software; you can redistribute it
      *    and/or modify it in source code form under the terms of the GNU
diff --git a/Documentation/developer/guide/vvp/vpi.rst b/Documentation/developer/guide/vvp/vpi.rst
index 96590eeae..1e34fe7d9 100644
--- a/Documentation/developer/guide/vvp/vpi.rst
+++ b/Documentation/developer/guide/vvp/vpi.rst
@@ -150,7 +150,7 @@ object.
 ::
 
     /*
-     * Copyright (c) 2001 Stephen Williams (steve@icarus.com)
+     * Copyright (c) 2001-2024 Stephen Williams (steve@icarus.com)
      *
      *    This source code is free software; you can redistribute it
      *    and/or modify it in source code form under the terms of the GNU
diff --git a/Documentation/developer/guide/vvp/vthread.rst b/Documentation/developer/guide/vvp/vthread.rst
index 0b32277e4..0bc2df02a 100644
--- a/Documentation/developer/guide/vvp/vthread.rst
+++ b/Documentation/developer/guide/vvp/vthread.rst
@@ -45,7 +45,7 @@ meanings to instructions that need an integer value.
 ::
 
     /*
-     * Copyright (c) 2001 Stephen Williams (steve@icarus.com)
+     * Copyright (c) 2001-2024 Stephen Williams (steve@icarus.com)
      *
      *    This source code is free software; you can redistribute it
      *    and/or modify it in source code form under the terms of the GNU
diff --git a/Documentation/developer/guide/vvp/vvp.rst b/Documentation/developer/guide/vvp/vvp.rst
index 9334b4717..bb96cfc7b 100644
--- a/Documentation/developer/guide/vvp/vvp.rst
+++ b/Documentation/developer/guide/vvp/vvp.rst
@@ -1227,7 +1227,7 @@ stored context index.
 ::
 
     /*
-     * Copyright (c) 2001-2009 Stephen Williams (steve@icarus.com)
+     * Copyright (c) 2001-2024 Stephen Williams (steve@icarus.com)
      *
      *    This source code is free software; you can redistribute it
      *    and/or modify it in source code form under the terms of the GNU
diff --git a/Documentation/usage/reporting_issues.rst b/Documentation/usage/reporting_issues.rst
index 7c2b6cb46..04fa40523 100644
--- a/Documentation/usage/reporting_issues.rst
+++ b/Documentation/usage/reporting_issues.rst
@@ -64,7 +64,7 @@ detailed instructions -- :doc:`Getting Started as a Contributer <getting_started
 
 COPYRIGHT ISSUES
 
-Icarus Verilog is Copyright (c) 1998-2018 Stephen Williams except
+Icarus Verilog is Copyright (c) 1998-2024 Stephen Williams except
 where otherwise noted. Minor patches are covered as derivative works
 (or editorial comment or whatever the appropriate legal term is) and
 folded into the rest of ivl. However, if a submission can reasonably