diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..fd00045
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2024 Veles Labs s.r.o.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
diff --git a/README.md b/README.md
index 2a43ce2..f94a773 100644
--- a/README.md
+++ b/README.md
@@ -10,3 +10,8 @@ Library for the Lite-On Optical Sensor LTR-329ALS-01.
 * Project Properties -> C/C++ Build -> Settings -> MCU GCC Compiler -> Incude Paths -> Add... (+ icon)
 * Project Properties -> C/C++ General -> Paths and Symbols -> Includes -> Add... -> Workspace...
 * Project Properties -> C/C++ General -> Paths and Symbols -> Source Location -> Add... -> Workspace...
+
+## License
+
+This project is licensed under the MIT License. See the [LICENSE](./LICENSE) file for details.
+
diff --git a/ltr329.c b/ltr329.c
index 9b24d78..3a35ee1 100644
--- a/ltr329.c
+++ b/ltr329.c
@@ -1,9 +1,24 @@
 /*
- * ltr329.c
+ * File:        ltr329.c
+ * Description: Library for the Lite-On Optical Sensor LTR-329ALS-01
+ * Author:      David Zaitlik
+ * Date:        2022-05-22
+ *
+ *
+ * Copyright (c) 2024 Veles Labs s.r.o.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
  *
- *  Created on: May 22, 2022
- *      Author: david
  */
+
 #include "ltr329.h"
 
 static int8_t ltr329_read_register (ltr329_cmd_t register_addr, uint8_t *register_data );
diff --git a/ltr329.h b/ltr329.h
index b553737..c7ef2a3 100644
--- a/ltr329.h
+++ b/ltr329.h
@@ -1,8 +1,30 @@
 /*
- * ltr329.h
+ * File:        ltr329.h
+ * Description: Library for the Lite-On Optical Sensor LTR-329ALS-01
+ * Author:      David Zaitlik
+ * Date:        2022-05-22
+ *
+ *
+ * Copyright (c) 2024 Veles Labs s.r.o.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
  *
- *  Created on: May 22, 2022
- *      Author: david
  */
 
 #ifndef INC_LTR329_H_