diff --git a/package-lock.json b/package-lock.json
index c3b3e37..271e9cd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2002,7 +2002,7 @@
       "integrity": "sha1-Yz0WyV2IUEYorQJmVmPO5aR5M1M=",
       "dev": true,
       "requires": {
-        "concat-with-sourcemaps": "^1.0.0",
+        "concat-with-sourcemaps": "^1.1.0",
         "through2": "^2.0.0",
         "vinyl": "^2.0.0"
       }