diff --git a/OPServer/package-lock.json b/OPServer/package-lock.json
index 01c8c3c..55c45f9 100644
--- a/OPServer/package-lock.json
+++ b/OPServer/package-lock.json
@@ -2890,9 +2890,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
     "lodash._basecopy": {
diff --git a/OPServer/package.json b/OPServer/package.json
index 5759be1..a23326d 100644
--- a/OPServer/package.json
+++ b/OPServer/package.json
@@ -5,7 +5,7 @@
   "devDependencies": {
     "bootstrap": "4.3.1",
     "popper.js": "1.14.3",
-    "lodash": ">=4.17.19",
+    "lodash": ">=4.17.21",
     "lodash.template": ">=4.5.0",
     "clean-css": ">=4.1.11",
     "minimatch": ">=3.0.2",