diff --git a/package.json b/package.json
index 2de7053..e3866b8 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "node": ">=10"
   },
   "devDependencies": {
-    "grunt": "1.4.1",
+    "grunt": "1.5.2",
     "grunt-contrib-jshint": "3.0.0",
     "grunt-contrib-watch": "1.1.0",
     "grunt-gh-pages": "4.0.0",
diff --git a/yarn.lock b/yarn.lock
index 56974ae..588c81c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -647,7 +647,7 @@ growl@1.10.5:
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.5.tgz#f2735dc2283674fa67478b10181059355c369e5e"
   integrity sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA==
 
-grunt-cli@~1.4.2:
+grunt-cli@~1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/grunt-cli/-/grunt-cli-1.4.3.tgz#22c9f1a3d2780bf9b0d206e832e40f8f499175ff"
   integrity sha512-9Dtx/AhVeB4LYzsViCjUQkd0Kw0McN2gYpdmGYKtE2a5Yt7v1Q+HYZVWhqXc/kGnxlMtqKDxSwotiGeFmkrCoQ==
@@ -739,17 +739,17 @@ grunt-notify@0.4.5:
     stack-parser "^0.0.1"
     which "^1.2.4"
 
-grunt@1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/grunt/-/grunt-1.4.1.tgz#7d1e17db1f9c8108777f7273d6b9359755576f50"
-  integrity sha512-ZXIYXTsAVrA7sM+jZxjQdrBOAg7DyMUplOMhTaspMRExei+fD0BTwdWXnn0W5SXqhb/Q/nlkzXclSi3IH55PIA==
+grunt@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/grunt/-/grunt-1.5.2.tgz#46b014e28d17c85baac19d5e891bb3f04923c098"
+  integrity sha512-XCtfaIu72OyDqK24MjWiGC9SwlkuhkS1mrULr1xzuJ2XqAFhP3ZAchZGHJeSCY6mkaOXU4F7SbmmCF7xIVoC9w==
   dependencies:
     dateformat "~3.0.3"
     eventemitter2 "~0.4.13"
     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"