diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fdbffad..50242135 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Support for `dtostrf()`
 - Added a CI workflow to lint the code base
 - Added a CI workflow to check for spelling errors
+Added ```nano_every``` platform to represent ```arduino:megaavr``` architecture
 
 ### Changed
 - We now compile a shared library to be used for each test.
diff --git a/misc/default.yml b/misc/default.yml
index befbfa6f..9e49d95a 100644
--- a/misc/default.yml
+++ b/misc/default.yml
@@ -9,6 +9,8 @@ packages:
     url: https://downloads.arduino.cc/packages/package_index.json
   arduino:samd:
     url: https://downloads.arduino.cc/packages/package_index.json
+  arduino:megaavr:
+    url: https://downloads.arduino.cc/packages/package_index.json
   esp8266:esp8266:
     url: http://arduino.esp8266.com/stable/package_esp8266com_index.json
   adafruit:avr:
@@ -57,6 +59,17 @@ platforms:
         - NUM_SERIAL_PORTS=2
       warnings:
       flags:
+  nano_every:
+    board: arduino:megaavr:nona4809
+    package: arduino:megaavr
+    gcc:
+      features:
+      defines:
+        - MILLIS_USE_TIMERB3
+        - NO_EXTERNAL_I2C_PULLUP
+        - AVR_NANO_4809_328MODE
+      warnings:
+      flags:
   esp32:
     board: esp32:esp32:featheresp32:FlashFreq=80
     package: esp32:esp32