diff --git a/README b/README
index 0c2fd89..45a8d5f 100644
--- a/README
+++ b/README
@@ -5,3 +5,5 @@ For more information, see:
  http://www.dwheeler.com/flawfinder
 
 See INSTALL.txt for installation instructions.
+It is released under the GNU GPL license version 2 or later (GPLv2+).
+
diff --git a/flawfinder b/flawfinder
index c95a932..5ad8bc0 100755
--- a/flawfinder
+++ b/flawfinder
@@ -16,8 +16,9 @@ version="1.31"
 #
 # Currently this program can only analyze C/C++ code.
 #
-# Copyright (C) 2001-2014 David A. Wheeler
-# This is released under the General Public License (GPL):
+# Copyright (C) 2001-2014 David A. Wheeler.
+# This is released under the
+# GNU General Public License (GPL) version 2 or later (GPLv2+):
 #
 #    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/flawfinder.1 b/flawfinder.1
index 5b4ac37..a1977c3 100644
--- a/flawfinder.1
+++ b/flawfinder.1
@@ -211,6 +211,8 @@ The summary ends with important reminders:
 Not every hit is necessarily a security vulnerability, and
 there may be other security vulnerabilities not reported by the tool.
 .PP
+Flawfinder is released under the GNU GPL license version 2 or later (GPLv2+).
+.PP
 Flawfinder works similarly to another program, ITS4, which is not
 fully open source software (as defined in the Open Source Definition)
 nor free software (as defined by the Free Software Foundation).