diff --git a/scripts/perfect_hash.py b/scripts/perfect_hash.py
index b94ed98..95c6156 100644
--- a/scripts/perfect_hash.py
+++ b/scripts/perfect_hash.py
@@ -1,9 +1,9 @@
 # Derived from: https://github.com/ilanschnell/perfect-hash
-# Commit: e376138af70db9f668de7e23cf84671872a676d8
+# Commit: 6b7dd80a525dbd4349ea2c69f04a9c96f3c2fd54
 
 # BSD 3-Clause License
 #
-# Copyright (c) 2019, Ilan Schnell
+# Copyright (c) 2019 - 2021, Ilan Schnell
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -13,14 +13,14 @@
 #     * Redistributions in binary form must reproduce the above copyright
 #       notice, this list of conditions and the following disclaimer in the
 #       documentation and/or other materials provided with the distribution.
-#     * Neither the name of the <organization> nor the
+#     * Neither the name of the Ilan Schnell nor the
 #       names of its contributors may be used to endorse or promote products
 #       derived from this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-# DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+# DISCLAIMED. IN NO EVENT SHALL ILAN SCHNELL BE LIABLE FOR ANY
 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND