diff --git a/libs/lang-test0/pxt.json b/libs/lang-test0/pxt.json
index f55e718d..efe3da6f 100644
--- a/libs/lang-test0/pxt.json
+++ b/libs/lang-test0/pxt.json
@@ -8,6 +8,6 @@
     "public": true,
     "additionalFilePath": "../../node_modules/pxt-core/libs/lang-test0",
     "dependencies": {
-        "microbit": "*"
+        "microbit": "file:../microbit"
     }
 }
diff --git a/libs/lang-test1/pxt.json b/libs/lang-test1/pxt.json
index a38f7abf..07bb8286 100644
--- a/libs/lang-test1/pxt.json
+++ b/libs/lang-test1/pxt.json
@@ -7,6 +7,6 @@
     ],
     "public": true,
     "dependencies": {
-        "microbit": "*"
+        "microbit": "file:../microbit"
     }
 }