diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a7b379..0a6c436 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,3 +28,4 @@ and this project adheres to
 - Readable generated type names derived from the parent type and property,
   e.g. `ConversationCompleteRequestMessageType`.
 - `examples/cli` and `examples/swiftui-chat`.
+- Released under the ISC license.
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..4b35036
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,15 @@
+ISC License
+
+Copyright (c) 2026 CBK.AI LTD
+
+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.
diff --git a/README.md b/README.md
index e044498..7723792 100644
--- a/README.md
+++ b/README.md
@@ -349,3 +349,7 @@ Consumers then pick up the new version through SwiftPM:
 
 While the API is still evolving the package stays on `0.x` (minor versions may
 introduce breaking changes); it will move to `1.0.0` once the API is stable.
+
+## License
+
+ISC. See [LICENSE](LICENSE) for details.