diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..2142d59
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,5 @@
+Copyright 2024 The Calcite Authors
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
\ No newline at end of file
diff --git a/LICENSE.md b/LICENSE.md
deleted file mode 100644
index 476cb49..0000000
--- a/LICENSE.md
+++ /dev/null
@@ -1,12 +0,0 @@
-# Charles' Customized License
-
-Version 2.0.0
-
-© Charles 2024
-
-Usage of the works is permitted provided that this
-instrument and the above attribution is retained 
-with the works, so that any entity that uses the
-works is notified of this instrument.
-
-DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY AND LIABILITY.
\ No newline at end of file
diff --git a/README.md b/README.md
index 378b756..c6c056f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Calcite for AlmaLinux
 
-Calcite is an AlmaLinux bootc-based system with GNOME. It is designed for AlmaLinux and others to easily extend it or even just rebrand it, which is why this project doesn't change branding or settings, and is licensed under a permissive custom license.
+Calcite is an AlmaLinux bootc-based system with GNOME. It is designed for AlmaLinux and others to easily extend it or even just rebrand it, which is why this project doesn't change branding or settings, and is licensed under the ISC license.
 
 > [!IMPORTANT]
 > We have changed to AlmaLinux, please reinstall.