diff --git a/package-lock.json b/package-lock.json
index 19e4578..ec70c7a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1344,9 +1344,11 @@
     },
     "copy-props": {
       "version": "2.0.4",
-      "resolved": "",
+      "resolved": "https://registry.npmjs.org/copy-props/-/copy-props-2.0.4.tgz",
+      "integrity": "sha512-7cjuUME+p+S3HZlbllgsn2CDwS+5eCCX16qBgNC4jgSTf49qR1VKy/Zhl400m0IQXl/bPGEVqncgUUMjrr4s8A==",
       "dev": true,
       "requires": {
+        "each-props": "^1.3.0",
         "is-plain-object": "^2.0.1"
       }
     },
@@ -1539,6 +1541,16 @@
         "stream-shift": "^1.0.0"
       }
     },
+    "each-props": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/each-props/-/each-props-1.3.2.tgz",
+      "integrity": "sha512-vV0Hem3zAGkJAyU7JSjixeU66rwdynTAa1vofCrSA5fEln+m67Az9CcnkVD776/fsN/UjIWmBDoNRS6t6G9RfA==",
+      "dev": true,
+      "requires": {
+        "is-plain-object": "^2.0.1",
+        "object.defaults": "^1.1.0"
+      }
+    },
     "ecc-jsbn": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
@@ -2290,9 +2302,9 @@
       "dev": true
     },
     "grunt": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.4.1.tgz",
-      "integrity": "sha512-ZXIYXTsAVrA7sM+jZxjQdrBOAg7DyMUplOMhTaspMRExei+fD0BTwdWXnn0W5SXqhb/Q/nlkzXclSi3IH55PIA==",
+      "version": "1.5.3",
+      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.3.tgz",
+      "integrity": "sha512-mKwmo4X2d8/4c/BmcOETHek675uOqw0RuA/zy12jaspWqvTp4+ZeQF1W+OTpcbncnaBsfbQJ6l0l4j+Sn/GmaQ==",
       "dev": true,
       "requires": {
         "dateformat": "~3.0.3",
@@ -2300,7 +2312,7 @@
         "exit": "~0.1.2",
         "findup-sync": "~0.3.0",
         "glob": "~7.1.6",
-        "grunt-cli": "~1.4.2",
+        "grunt-cli": "~1.4.3",
         "grunt-known-options": "~2.0.0",
         "grunt-legacy-log": "~3.0.0",
         "grunt-legacy-util": "~2.0.1",
@@ -5268,12 +5280,12 @@
       "dev": true
     },
     "underscore.string": {
-      "version": "3.3.5",
-      "resolved": "https://registry.npmjs.org/underscore.string/-/underscore.string-3.3.5.tgz",
-      "integrity": "sha512-g+dpmgn+XBneLmXXo+sGlW5xQEt4ErkS3mgeN2GFbremYeMBSJKr9Wf2KJplQVaiPY/f7FN6atosWYNm9ovrYg==",
+      "version": "3.3.6",
+      "resolved": "https://registry.npmjs.org/underscore.string/-/underscore.string-3.3.6.tgz",
+      "integrity": "sha512-VoC83HWXmCrF6rgkyxS9GHv8W9Q5nhMKho+OadDJGzL2oDYbYEppBaCMH6pFlwLeqj2QS+hhkw2kpXkSdD1JxQ==",
       "dev": true,
       "requires": {
-        "sprintf-js": "^1.0.3",
+        "sprintf-js": "^1.1.1",
         "util-deprecate": "^1.0.2"
       }
     },
diff --git a/package.json b/package.json
index 97e0487..487f106 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "@babel/register": "^7.16.9",
     "babel-core": "^6.26.3",
     "babel-register": "^6.26.0",
-    "grunt": "^1.4.1",
+    "grunt": "^1.5.3",
     "grunt-cli": "^1.4.3",
     "gulp": "^4.0.2",
     "lodash": "^4.17.21",