diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..53dde2b
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2025 shylie
+
+This software is provided ‘as-is’, without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+claim that you wrote the original software. If you use this software
+in a product, an acknowledgment in the product documentation would be
+appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and must not be
+misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source
+distribution.
diff --git a/picoled b/picoled
index 23c1df4..eab338e 160000
--- a/picoled
+++ b/picoled
@@ -1 +1 @@
-Subproject commit 23c1df474c7f8630124ead2fe3d128e201e2b20c
+Subproject commit eab338e380c9f7f30a3699097bf925214415120b