diff --git a/7_serving_files/serving_files_labextension/package-lock.json b/7_serving_files/serving_files_labextension/package-lock.json
index b234337..0da98e3 100644
--- a/7_serving_files/serving_files_labextension/package-lock.json
+++ b/7_serving_files/serving_files_labextension/package-lock.json
@@ -580,7 +580,7 @@
       "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
       "dev": true,
       "requires": {
-        "brace-expansion": "1.1.11"
+        "brace-expansion": "^1.1.7"
       }
     },
     "minimist": {