diff --git a/cores/arduino/Serial.cpp b/cores/arduino/Serial.cpp
index d905edd90..cbd418233 100644
--- a/cores/arduino/Serial.cpp
+++ b/cores/arduino/Serial.cpp
@@ -260,6 +260,11 @@ void UART::begin(unsigned long baudrate, uint16_t config) {
           uart_cfg.parity = UART_PARITY_ODD;
           uart_cfg.stop_bits = UART_STOP_BITS_2;
           break;
+      case SERIAL_9N1:
+          uart_cfg.data_bits = UART_DATA_BITS_9;
+          uart_cfg.parity = UART_PARITY_OFF;
+          uart_cfg.stop_bits = UART_STOP_BITS_1;
+          break;
     }
     
     uart_cfg.p_callback = UART::WrapperCallback;
@@ -335,4 +340,4 @@ size_t UART::write_raw(uint8_t* c, size_t len) {
     i++;
   }
   return len;
-}
\ No newline at end of file
+}
diff --git a/package.json b/package.json
new file mode 100644
index 000000000..8fa7f61f1
--- /dev/null
+++ b/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "framework-arduinorenesas-uno",
+  "version": "1.1.1",
+  "description": "Arduino Wiring-based Framework for Renesas MCUs (UNOR4 core)",
+  "keywords": [
+    "framework",
+    "arduino",
+    "renesas",
+    "RA"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/vashadow/ArduinoCore-renesas.git"
+  }
+}