diff --git a/package-lock.json b/package-lock.json
index ddd01303..25733d0e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "grunt-contrib-uglify",
-  "version": "5.2.1",
+  "version": "5.2.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -4157,9 +4157,9 @@
       }
     },
     "uglify-js": {
-      "version": "3.15.4",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.15.4.tgz",
-      "integrity": "sha512-vMOPGDuvXecPs34V74qDKk4iJ/SN4vL3Ow/23ixafENYvtrNvtbcgUeugTcUGRGsOF/5fU8/NYSL5Hyb3l1OJA=="
+      "version": "3.16.1",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.16.1.tgz",
+      "integrity": "sha512-X5BGTIDH8U6IQ1TIRP62YC36k+ULAa1d59BxlWvPUJ1NkW5L3FwcGfEzuVvGmhJFBu0YJ5Ge25tmRISqCmLiRQ=="
     },
     "unc-path-regex": {
       "version": "0.1.2",
diff --git a/package.json b/package.json
index bae7d9f6..a22d9f60 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "grunt-contrib-uglify",
   "description": "Minify JavaScript files with UglifyJS",
-  "version": "5.2.1",
+  "version": "5.2.2",
   "author": {
     "name": "Grunt Team",
     "url": "https://gruntjs.com/"
@@ -18,7 +18,7 @@
   "dependencies": {
     "chalk": "^4.1.2",
     "maxmin": "^3.0.0",
-    "uglify-js": "^3.15.4",
+    "uglify-js": "^3.16.1",
     "uri-path": "^1.0.0"
   },
   "devDependencies": {