diff --git a/src/plugins/webassembly/WebAssembly.json.in b/src/plugins/webassembly/WebAssembly.json.in
index 6c247c29fa9..6245d74456e 100644
--- a/src/plugins/webassembly/WebAssembly.json.in
+++ b/src/plugins/webassembly/WebAssembly.json.in
@@ -2,6 +2,7 @@
     \"Name\" : \"WebAssembly\",
     \"Version\" : \"$$QTCREATOR_VERSION\",
     \"CompatVersion\" : \"$$QTCREATOR_COMPAT_VERSION\",
+    \"Experimental\" : true,
     \"DisabledByDefault\" : true,
     \"Vendor\" : \"The Qt Company Ltd\",
     \"Copyright\" : \"(C) $$QTCREATOR_COPYRIGHT_YEAR The Qt Company Ltd\",