diff --git a/webinstall/build.yaml b/webinstall/build.yaml
index 672c435..0234010 100644
--- a/webinstall/build.yaml
+++ b/webinstall/build.yaml
@@ -53,16 +53,16 @@ types:
           - value: M5_ENV3#grv#
             key: true
             resource: qmp69881#grv#1,sht3x#grv#1
-#      - label: "M5 ENV4"
-#        type: checkbox
-#        key: m5env4#grv#
-#        target: define
-#        url: "https://docs.m5stack.com/en/unit/ENV%E2%85%A3%20Unit"
-#        description: "M5 sensor module temperature, humidity, pressure"
-#        values:
-#          - value: M5_ENV4#grv#
-#            key: true
-#            resource: bmp280#grv#1,sht3x#grv#1
+      - label: "M5 ENV4"
+        type: checkbox
+        key: m5env4#grv#
+        target: define
+        url: "https://docs.m5stack.com/en/unit/ENV%E2%85%A3%20Unit"
+        description: "M5 sensor module temperature, humidity, pressure"
+        values:
+          - value: M5_ENV4#grv#
+            key: true
+            resource: bmp280#grv#1,sht4x#grv#1
       - type: checkbox
         label: SHT3X-1
         description: "SHT30 temperature and humidity sensor 0x44"