diff --git a/searx/static/themes/simple/package.json b/searx/static/themes/simple/package.json
index de6aa1a65..53daa6320 100644
--- a/searx/static/themes/simple/package.json
+++ b/searx/static/themes/simple/package.json
@@ -1,7 +1,7 @@
 {
   "devDependencies": {
     "eslint": "^8.11.0",
-    "grunt": "~1.4.1",
+    "grunt": "~1.5.2",
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-cssmin": "^4.0.0",
     "grunt-contrib-less": "~3.0.0",