diff --git a/arch/arm/soc/nordic_nrf5/include/nrf5_common.h b/arch/arm/soc/nordic_nrf5/include/nrf5_common.h
index e4fe6474576..1e0e9173845 100644
--- a/arch/arm/soc/nordic_nrf5/include/nrf5_common.h
+++ b/arch/arm/soc/nordic_nrf5/include/nrf5_common.h
@@ -68,6 +68,8 @@
  * Uses the UARTE_BAUDRATE macros since they are more precise.
  */
 
+#define NRF5_UART_BAUDRATE_300                 0x00014000
+#define NRF5_UART_BAUDRATE_600                 0x00027000
 #define NRF5_UART_BAUDRATE_1200                0x0004f000
 #define NRF5_UART_BAUDRATE_2400                0x0009d000
 #define NRF5_UART_BAUDRATE_4800                0x0013b000
diff --git a/drivers/serial/uart_nrf5.c b/drivers/serial/uart_nrf5.c
index 932d058941f..e8ebfa5d9c9 100644
--- a/drivers/serial/uart_nrf5.c
+++ b/drivers/serial/uart_nrf5.c
@@ -121,6 +121,12 @@ static int baudrate_set(struct device *dev,
 
 	/* Use the common nRF5 macros */
 	switch (baudrate) {
+	case 300:
+		divisor = NRF5_UART_BAUDRATE_300;
+		break;
+	case 600:
+		divisor = NRF5_UART_BAUDRATE_600;
+		break;
 	case 1200:
 		divisor = NRF5_UART_BAUDRATE_1200;
 		break;