diff --git a/components/i2c_output/oled128x32default/definition.json b/components/i2c_output/oled128x32default/definition.json
index 049a501..8184fde 100644
--- a/components/i2c_output/oled128x32default/definition.json
+++ b/components/i2c_output/oled128x32default/definition.json
@@ -5,7 +5,7 @@
   "productURL": "https://www.adafruit.com/product/4440",
   "documentationURL": "https://learn.adafruit.com/monochrome-oled-breakouts",
   "description": "Monochrome 128x32 OLED graphic display with the default font size.",
-  "i2cAddresses": [ "0x3C" ],
+  "i2cAddresses": [ "0x3C", "0x3D" ],
   "outputType": "OLED",
   "oledWidth": 128,
   "oledHeight": 32,
diff --git a/components/i2c_output/oled128x32large/definition.json b/components/i2c_output/oled128x32large/definition.json
index dc00e57..eb4bbec 100644
--- a/components/i2c_output/oled128x32large/definition.json
+++ b/components/i2c_output/oled128x32large/definition.json
@@ -5,7 +5,7 @@
   "productURL": "https://www.adafruit.com/product/4440",
   "documentationURL": "https://learn.adafruit.com/monochrome-oled-breakouts",
   "description": "Monochrome 128x32 I2C OLED Display with a larger font size",
-  "i2cAddresses": [ "0x3C" ],
+  "i2cAddresses": [ "0x3C", "0x3D" ],
   "outputType": "OLED",
   "oledWidth": 128,
   "oledHeight": 32,
diff --git a/components/i2c_output/oled128x64default/definition.json b/components/i2c_output/oled128x64default/definition.json
index 2a8ca06..22df370 100644
--- a/components/i2c_output/oled128x64default/definition.json
+++ b/components/i2c_output/oled128x64default/definition.json
@@ -5,7 +5,7 @@
   "productURL": "https://www.adafruit.com/product/938",
   "documentationURL": "https://learn.adafruit.com/monochrome-oled-breakouts",
   "description": "Monochrome 128x64 I2C OLED Display with the default font size.",
-  "i2cAddresses": [ "0x3D" ],
+  "i2cAddresses": [ "0x3C", "0x3D" ],
   "outputType": "OLED",
   "oledWidth": 128,
   "oledHeight": 64,
diff --git a/components/i2c_output/oled128x64large/definition.json b/components/i2c_output/oled128x64large/definition.json
index 1403a58..f104326 100644
--- a/components/i2c_output/oled128x64large/definition.json
+++ b/components/i2c_output/oled128x64large/definition.json
@@ -5,7 +5,7 @@
   "productURL": "https://www.adafruit.com/product/938",
   "documentationURL": "https://learn.adafruit.com/monochrome-oled-breakouts",
   "description": "Monochrome 128x64 I2C OLED Display with a larger font size.",
-  "i2cAddresses": [ "0x3D" ],
+  "i2cAddresses": [ "0x3C", "0x3D" ],
   "outputType": "OLED",
   "oledWidth": 128,
   "oledHeight": 64,