diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb996e7e0..f82ba3881 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@
 ##################################################
 # Define the project and the depencies that it has
 ##################################################
-CMAKE_MINIMUM_REQUIRED(VERSION 3.20.1)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.5.0...3.27.1)
 
 # Get version stored in text file
 FILE(READ "version.txt" VERSION)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 132e17971..9cab5f7f3 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,4 +1,4 @@
-# Copyright 2022 - David Minton, Carlisle Wishard, Jennifer Pouplin, Jake Elliott, & Dana Singh
+# Copyright 2023 - David Minton, Carlisle Wishard, Jennifer Pouplin, Jake Elliott, & Dana Singh
 # This file is part of Swiftest.
 # Swiftest is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License 
 # as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
diff --git a/swiftest/CMakeLists.txt b/swiftest/CMakeLists.txt
index 47ef721b3..8b41bc03c 100644
--- a/swiftest/CMakeLists.txt
+++ b/swiftest/CMakeLists.txt
@@ -1,3 +1,12 @@
+# Copyright 2023 - David Minton, Carlisle Wishard, Jennifer Pouplin, Jake Elliott, & Dana Singh
+# This file is part of Swiftest.
+# Swiftest is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License 
+# as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+# Swiftest is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty 
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+# You should have received a copy of the GNU General Public License along with Swiftest. 
+# If not, see: https://www.gnu.org/licenses. 
+
 # Use the old method to get Python packages, as that's what scikit-build uses
 CMAKE_POLICY(SET CMP0148 OLD)