diff --git a/docs/extensions.md b/docs/extensions.md
index 73a4627b..a3e1eef7 100644
--- a/docs/extensions.md
+++ b/docs/extensions.md
@@ -346,6 +346,10 @@ Check out [microbit.org](http://microbit.org/resellers/) for more information on
     "url": "/pkg/rebeccaclavier/pxt-bmp280",
     "cardType": "package"
 }, {
+    "name": "STTS751 temperature Sensor",
+    "url": "/pkg/makecode-extensions/STTS751",
+    "cardType": "package"
+}, {    
     "name": "LSM6DSO Accelerometer/Gyroscope",
     "url": "/pkg/makecode-extensions/LSM6DSO",
     "cardType": "package"
diff --git a/targetconfig.json b/targetconfig.json
index 0b156c05..9135166c 100644
--- a/targetconfig.json
+++ b/targetconfig.json
@@ -137,6 +137,7 @@
             "4tronix/MiniBit",
             "elecfreaks/pxt-wukong",
             "rebeccaclavier/pxt-bmp280",
+            "makecode-extensions/STTS751",
             "makecode-extensions/LSM6DSO",
             "makecode-extensions/LPS22",
             "makecode-extensions/LIS2DW12",