diff --git a/package-lock.json b/package-lock.json
index 55c0c3c..8f332a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "eslint-plugin-node": "11.1.0",
         "eslint-plugin-promise": "5.1.0",
         "eslint-plugin-standard": "5.0.0",
-        "grunt": "1.4.1",
+        "grunt": "1.5.2",
         "grunt-eslint": "23.0.0",
         "load-grunt-tasks": "5.1.0",
         "mocha": "8.4.0",
@@ -1508,9 +1508,9 @@
       }
     },
     "node_modules/grunt": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.4.1.tgz",
-      "integrity": "sha512-ZXIYXTsAVrA7sM+jZxjQdrBOAg7DyMUplOMhTaspMRExei+fD0BTwdWXnn0W5SXqhb/Q/nlkzXclSi3IH55PIA==",
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.2.tgz",
+      "integrity": "sha512-XCtfaIu72OyDqK24MjWiGC9SwlkuhkS1mrULr1xzuJ2XqAFhP3ZAchZGHJeSCY6mkaOXU4F7SbmmCF7xIVoC9w==",
       "dev": true,
       "dependencies": {
         "dateformat": "~3.0.3",
@@ -1518,7 +1518,7 @@
         "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",
@@ -4932,9 +4932,9 @@
       "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": "1.5.2",
+      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.2.tgz",
+      "integrity": "sha512-XCtfaIu72OyDqK24MjWiGC9SwlkuhkS1mrULr1xzuJ2XqAFhP3ZAchZGHJeSCY6mkaOXU4F7SbmmCF7xIVoC9w==",
       "dev": true,
       "requires": {
         "dateformat": "~3.0.3",
@@ -4942,7 +4942,7 @@
         "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",
diff --git a/package.json b/package.json
index 7bd43c1..016edb6 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "lru-cache": "^6.0.0"
   },
   "devDependencies": {
-    "grunt": "1.4.1",
+    "grunt": "1.5.2",
     "grunt-eslint": "23.0.0",
     "load-grunt-tasks": "5.1.0",
     "eslint-config-standard": "16.0.3",