diff --git a/modulecheck/module.json b/modulecheck/module.json
index c12be7c55e25bb30df9a7fb59db1c1b8dc108c31..802b640b00e90c11f2eb0f9dddd2790b9c6b39a9 100644
--- a/modulecheck/module.json
+++ b/modulecheck/module.json
@@ -43,7 +43,8 @@
                 "requestPermissions",
                 "definePermissions",
                 "testRunner",
-                "dependencies"
+                "dependencies",
+                "language"
               ]
             },
             "required": [
@@ -73,7 +74,8 @@
                 "requestPermissions",
                 "definePermissions",
                 "testRunner",
-                "dependencies"
+                "dependencies",
+                "language"
               ]
             },
             "required": [
@@ -958,6 +960,14 @@
             "type": "string",
             "maxLength": 127
           }
+        },
+        "language": {
+          "description": "Type of the capability development language. The value can be ets or js.",
+          "type": "string",
+          "enum": [
+            "js",
+            "ets"
+          ]
         }
       }
     }