diff --git a/dataPreprocessing/package-lock.json b/dataPreprocessing/package-lock.json
index 32a21e6..665f119 100644
--- a/dataPreprocessing/package-lock.json
+++ b/dataPreprocessing/package-lock.json
@@ -734,9 +734,9 @@
       "dev": true
     },
     "extend": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
-      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ=",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
       "dev": true
     },
     "external-editor": {