diff --git a/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in b/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
index 4360bd9709..652f62139c 100644
--- a/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32c2/include/soc/Kconfig.soc_caps.in
@@ -505,7 +505,7 @@ config SOC_UART_FIFO_LEN
 
 config SOC_UART_BITRATE_MAX
     int
-    default 5000000
+    default 2500000
 
 config SOC_UART_SUPPORT_WAKEUP_INT
     bool
diff --git a/components/soc/esp32c2/include/soc/soc_caps.h b/components/soc/esp32c2/include/soc/soc_caps.h
index 9ae2228ba4..ddc303e378 100644
--- a/components/soc/esp32c2/include/soc/soc_caps.h
+++ b/components/soc/esp32c2/include/soc/soc_caps.h
@@ -250,7 +250,7 @@
 // ESP32-C2 has 2 UARTs
 #define SOC_UART_NUM                (2)
 #define SOC_UART_FIFO_LEN           (128)      /*!< The UART hardware FIFO length */
-#define SOC_UART_BITRATE_MAX        (5000000)  /*!< Max bit rate supported by UART */
+#define SOC_UART_BITRATE_MAX        (2500000)  /*!< Max bit rate supported by UART */
 #define SOC_UART_SUPPORT_WAKEUP_INT (1)         /*!< Support UART wakeup interrupt */
 #define SOC_UART_SUPPORT_PLL_F40M_CLK (1)   /*!< Support APB as the clock source */
 #define SOC_UART_SUPPORT_RTC_CLK    (1)     /*!< Support RTC clock as the clock source */