diff --git a/boards/st/nucleo_wb09ke/nucleo_wb09ke.dts b/boards/st/nucleo_wb09ke/nucleo_wb09ke.dts
index caab24dee4d..ea7dcd708be 100644
--- a/boards/st/nucleo_wb09ke/nucleo_wb09ke.dts
+++ b/boards/st/nucleo_wb09ke/nucleo_wb09ke.dts
@@ -75,6 +75,7 @@
 		sw0 = &user_button_1;
 		sw1 = &user_button_2;
 		sw2 = &user_button_3;
+		watchdog0 = &iwdg;
 	};
 };
 
@@ -116,6 +117,10 @@
 	status = "okay";
 };
 
+&iwdg {
+	status = "okay";
+};
+
 &bt_hci_wb0 {
 	status = "okay";
 };
diff --git a/boards/st/nucleo_wb09ke/nucleo_wb09ke.yaml b/boards/st/nucleo_wb09ke/nucleo_wb09ke.yaml
index 6999cfa14a0..f8ca581c8d8 100644
--- a/boards/st/nucleo_wb09ke/nucleo_wb09ke.yaml
+++ b/boards/st/nucleo_wb09ke/nucleo_wb09ke.yaml
@@ -18,5 +18,6 @@ supported:
   - pwm
   - rtc
   - spi
+  - watchdog
   - bluetooth
 vendor: st