diff --git a/CHANGELOG b/CHANGELOG
index 82c44b9..534b7f7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+Adafruit's Arduino NINA-W102 firmware 1.7.2 - 2021.03.22
+
+* Changed Analog Write to use full PWM range.
+* Added support to Pin Mode for INPUT_PULLUP.
+
 Adafruit's Arduino NINA-W102 firmware 1.7.1 - 2020.10.24
 
 * Enable HCI BLE for AirLift boards and breakouts.
diff --git a/Makefile b/Makefile
index a89ef8e..83a947f 100644
--- a/Makefile
+++ b/Makefile
@@ -28,7 +28,7 @@ load-passthrough:
 	cp passthrough.UF2  $(BOOT_VOLUME)
 
 load-nina:
-	esptool.py --port $(M4_PORT) --before no_reset --baud $(UPLOAD_BAUD) write_flash 0 NINA_W102-1.7.1.bin
+	esptool.py --port $(M4_PORT) --before no_reset --baud $(UPLOAD_BAUD) write_flash 0 NINA_W102-1.7.2.bin
 
 load-circuitpython:
 	cp $(CIRCUITPYTHON_UF2) $(BOOT_VOLUME)
diff --git a/arduino/cores/esp32/wiring_analog.c b/arduino/cores/esp32/wiring_analog.c
index 9b80a0c..d33d048 100644
--- a/arduino/cores/esp32/wiring_analog.c
+++ b/arduino/cores/esp32/wiring_analog.c
@@ -38,7 +38,7 @@ void analogWrite(uint32_t pin, uint32_t value)
 
   ledc_channel_config_t ledc_conf = {
     .channel = (pin % 7),
-    .duty = (value << 2),
+    .duty = (value << 2) | ((value & 0xC0) >> 6),
     .gpio_num = pin,
     .intr_type = LEDC_INTR_DISABLE,
     .speed_mode = LEDC_HIGH_SPEED_MODE,
diff --git a/arduino/cores/esp32/wiring_digital.c b/arduino/cores/esp32/wiring_digital.c
index 05435df..2bfdbda 100644
--- a/arduino/cores/esp32/wiring_digital.c
+++ b/arduino/cores/esp32/wiring_digital.c
@@ -33,6 +33,11 @@ void pinMode(uint32_t pin, uint32_t mode)
       gpio_set_direction((gpio_num_t)pin, GPIO_MODE_OUTPUT);
       gpio_set_pull_mode((gpio_num_t)pin, GPIO_FLOATING);
       break;
+
+    case INPUT_PULLUP:
+      gpio_set_direction((gpio_num_t)pin, GPIO_MODE_INPUT);
+      gpio_set_pull_mode((gpio_num_t)pin, GPIO_PULLUP_ONLY);
+      break;
   }
 
   PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[pin], PIN_FUNC_GPIO);
diff --git a/arduino/cores/esp32/wiring_digital.h b/arduino/cores/esp32/wiring_digital.h
index 6788aeb..02c190f 100644
--- a/arduino/cores/esp32/wiring_digital.h
+++ b/arduino/cores/esp32/wiring_digital.h
@@ -31,6 +31,7 @@ extern "C" {
 
 #define INPUT  0x00
 #define OUTPUT 0x01
+#define INPUT_PULLUP 0x02
 
 extern void pinMode(uint32_t pin, uint32_t mode);
 
diff --git a/combine.py b/combine.py
index fcc41ad..56dc55f 100644
--- a/combine.py
+++ b/combine.py
@@ -31,7 +31,7 @@ for i in range(0, len(certsData)):
 # zero terminate the pem file
 outputData[0x10000 + len(certsData)] = 0
 
-outputFilename = "NINA_W102-1.7.1.bin"
+outputFilename = "NINA_W102-1.7.2.bin"
 if (len(sys.argv) > 1):
 	outputFilename = sys.argv[1]
 
diff --git a/main/CommandHandler.cpp b/main/CommandHandler.cpp
index 7e25385..a14af43 100644
--- a/main/CommandHandler.cpp
+++ b/main/CommandHandler.cpp
@@ -28,7 +28,7 @@
 
 #include "Arduino.h"
 
-const char FIRMWARE_VERSION[6] = "1.7.1";
+const char FIRMWARE_VERSION[6] = "1.7.2";
 
 // Optional, user-defined X.509 certificate
 char CERT_BUF[1300];