diff --git a/package-lock.json b/package-lock.json
index 081d9b6..d202041 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1242,9 +1242,9 @@
       "dev": true
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "log-driver": {
       "version": "1.2.7",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index b948f1f..4ac6c6b
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "js-yaml": ">=3.13.1",
     "json5": "^2.1.0",
     "jsonfile": "^5.0.0",
-    "lodash": ">=4.17.12",
+    "lodash": ">=4.17.21",
     "mathjs": "^5.3.1",
     "minimist": "^1.2.5",
     "mkdirp": "^0.5.1",