diff --git a/libraries/Zigbee/examples/Zigbee_Color_Dimmable_Light/Zigbee_Color_Dimmable_Light.ino b/libraries/Zigbee/examples/Zigbee_Color_Dimmable_Light/Zigbee_Color_Dimmable_Light.ino
index 1ce9ff56816..01e8c24900f 100644
--- a/libraries/Zigbee/examples/Zigbee_Color_Dimmable_Light/Zigbee_Color_Dimmable_Light.ino
+++ b/libraries/Zigbee/examples/Zigbee_Color_Dimmable_Light/Zigbee_Color_Dimmable_Light.ino
@@ -65,7 +65,7 @@ void setup() {
   rgbLedWrite(LED_PIN, 0, 0, 0);
 
   // Init button for factory reset
-  pinMode(BUTTON_PIN, INPUT);
+  pinMode(BUTTON_PIN, INPUT_PULLUP);
 
   // Set callback function for light change
   zbColorLight.onLightChange(setRGBLight);
diff --git a/libraries/Zigbee/examples/Zigbee_Color_Dimmer_Switch/Zigbee_Color_Dimmer_Switch.ino b/libraries/Zigbee/examples/Zigbee_Color_Dimmer_Switch/Zigbee_Color_Dimmer_Switch.ino
index a494623e436..0514464e8e9 100644
--- a/libraries/Zigbee/examples/Zigbee_Color_Dimmer_Switch/Zigbee_Color_Dimmer_Switch.ino
+++ b/libraries/Zigbee/examples/Zigbee_Color_Dimmer_Switch/Zigbee_Color_Dimmer_Switch.ino
@@ -54,7 +54,7 @@ void setup() {
   }
 
   //Init button switch
-  pinMode(SWITCH_PIN, INPUT);
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
 
   //Optional: set Zigbee device name and model
   zbSwitch.setManufacturerAndModel("Espressif", "ZigbeeSwitch");
diff --git a/libraries/Zigbee/examples/Zigbee_On_Off_Light/Zigbee_On_Off_Light.ino b/libraries/Zigbee/examples/Zigbee_On_Off_Light/Zigbee_On_Off_Light.ino
index 2f13357a156..e0bc3747eb3 100644
--- a/libraries/Zigbee/examples/Zigbee_On_Off_Light/Zigbee_On_Off_Light.ino
+++ b/libraries/Zigbee/examples/Zigbee_On_Off_Light/Zigbee_On_Off_Light.ino
@@ -51,7 +51,7 @@ void setup() {
   digitalWrite(LED_PIN, LOW);
 
   // Init button for factory reset
-  pinMode(BUTTON_PIN, INPUT);
+  pinMode(BUTTON_PIN, INPUT_PULLUP);
 
   //Optional: set Zigbee device name and model
   zbLight.setManufacturerAndModel("Espressif", "ZBLightBulb");
diff --git a/libraries/Zigbee/examples/Zigbee_Temperature_Sensor/Zigbee_Temperature_Sensor.ino b/libraries/Zigbee/examples/Zigbee_Temperature_Sensor/Zigbee_Temperature_Sensor.ino
index 92249e980ab..b614b136bef 100644
--- a/libraries/Zigbee/examples/Zigbee_Temperature_Sensor/Zigbee_Temperature_Sensor.ino
+++ b/libraries/Zigbee/examples/Zigbee_Temperature_Sensor/Zigbee_Temperature_Sensor.ino
@@ -59,7 +59,7 @@ void setup() {
   }
 
   // Init button switch
-  pinMode(BUTTON_PIN, INPUT);
+  pinMode(BUTTON_PIN, INPUT_PULLUP);
 
   // Optional: set Zigbee device name and model
   zbTempSensor.setManufacturerAndModel("Espressif", "ZigbeeTempSensor");
diff --git a/libraries/Zigbee/examples/Zigbee_Thermostat/Zigbee_Thermostat.ino b/libraries/Zigbee/examples/Zigbee_Thermostat/Zigbee_Thermostat.ino
index 8f4ea0b543d..ac7b023d6d9 100644
--- a/libraries/Zigbee/examples/Zigbee_Thermostat/Zigbee_Thermostat.ino
+++ b/libraries/Zigbee/examples/Zigbee_Thermostat/Zigbee_Thermostat.ino
@@ -65,7 +65,7 @@ void setup() {
   }
 
   // Init button switch
-  pinMode(BUTTON_PIN, INPUT);
+  pinMode(BUTTON_PIN, INPUT_PULLUP);
 
   // Set callback functions for temperature and configuration receive
   zbThermostat.onTempRecieve(recieveSensorTemp);