diff --git a/Documentation/guides/stm32_ports.rst b/Documentation/guides/stm32_ports.rst
index 7e10a5f71e4..ba8ea47c4ed 100644
--- a/Documentation/guides/stm32_ports.rst
+++ b/Documentation/guides/stm32_ports.rst
@@ -536,6 +536,7 @@ FLASH         to be done    arch/arm/src/stm32h5/stm32_flash.c
 GPIO          to be done    arch/arm/src/stm32h5/stm32_gpio.c      
 GPDMA         to be done    arch/arm/src/stm32h5/stm32_dma.c       
 I2C           to be done    arch/arm/src/stm32h5/stm32_i2c.c       
+IWDG          v1            arch/arm/src/stm32h5/stm32_iwdg.c      
 ICACHE        to be done    arch/arm/src/stm32h5/stm32_icache.c    
 OCTOSPI       to be done    arch/arm/src/stm32h5/stm32_qspi.c      
 PWR           to be done    arch/arm/src/stm32h5/stm32_pwr.c       
diff --git a/Documentation/platforms/arm/stm32h5/index.rst b/Documentation/platforms/arm/stm32h5/index.rst
index 10f5b76184a..d17963f496d 100644
--- a/Documentation/platforms/arm/stm32h5/index.rst
+++ b/Documentation/platforms/arm/stm32h5/index.rst
@@ -67,7 +67,7 @@ FSMC        No
 GTZC        No
 HASH        No
 I3C         No
-IWDG        No
+IWDG        Yes
 LPTIM       No
 OTFDEC      No
 PKA         No