diff --git a/package-lock.json b/package-lock.json
index 394a55a..04c2d26 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5169,28 +5169,10 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.7.2",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.2.tgz",
-      "integrity": "sha512-uhRwZcANNWVLrxLfNFEdltoPNhECUR3lc+UdJoG9CBpMcSnKyWA94tc3eAujB1GcMY5Uwq8ZMp4qWpxWYDQmaA==",
-      "dev": true,
-      "requires": {
-        "commander": "~2.20.3",
-        "source-map": "~0.6.1"
-      },
-      "dependencies": {
-        "commander": {
-          "version": "2.20.3",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
-          "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
-          "dev": true
-        },
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
-      }
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.14.1.tgz",
+      "integrity": "sha512-JhS3hmcVaXlp/xSo3PKY5R0JqKs5M3IV+exdLHW99qKvKivPO4Z8qbej6mte17SOPqAOVMjt/XGgWacnFSzM3g==",
+      "dev": true
     },
     "uglify-to-browserify": {
       "version": "1.0.2",
diff --git a/package.json b/package.json
index 506ae2d..9397207 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,6 @@
         "rollup-plugin-spl": "0.0.6",
         "sinon": "8.1.1",
         "tape": "4.11.0",
-        "uglify-js": "3.7.2"
+        "uglify-js": "3.14.1"
     }
 }