diff --git a/package-lock.json b/package-lock.json
index bfd4070d4..0e8b1f331 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -60,7 +60,7 @@
         "semver": "^5.7.1",
         "simple-git": "^3.10.0",
         "sweet.js": "^0.7.8",
-        "uglify-js": "^3.16.1"
+        "uglify-js": "^3.19.3"
       },
       "engines": {
         "node": ">=8.0.0"
@@ -14222,9 +14222,9 @@
       }
     },
     "node_modules/uglify-js": {
-      "version": "3.17.4",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.17.4.tgz",
-      "integrity": "sha512-T9q82TJI9e/C1TAxYvfb16xO120tMVFZrGA3f9/P4424DNu6ypK103y0GPFVa17yotwSyZW5iYXgjYHkGrJW/g==",
+      "version": "3.19.3",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.19.3.tgz",
+      "integrity": "sha512-v3Xu+yuwBXisp6QYTcH4UbH+xYJXqnq2m/LtQVWKWzYc1iehYnLixoQDN9FH6/j9/oybfd6W9Ghwkl8+UMKTKQ==",
       "dev": true,
       "bin": {
         "uglifyjs": "bin/uglifyjs"
@@ -26126,9 +26126,9 @@
       "peer": true
     },
     "uglify-js": {
-      "version": "3.17.4",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.17.4.tgz",
-      "integrity": "sha512-T9q82TJI9e/C1TAxYvfb16xO120tMVFZrGA3f9/P4424DNu6ypK103y0GPFVa17yotwSyZW5iYXgjYHkGrJW/g==",
+      "version": "3.19.3",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.19.3.tgz",
+      "integrity": "sha512-v3Xu+yuwBXisp6QYTcH4UbH+xYJXqnq2m/LtQVWKWzYc1iehYnLixoQDN9FH6/j9/oybfd6W9Ghwkl8+UMKTKQ==",
       "dev": true
     },
     "ultron": {
diff --git a/package.json b/package.json
index 074929386..d2897910f 100644
--- a/package.json
+++ b/package.json
@@ -122,7 +122,7 @@
     "semver": "^5.7.1",
     "simple-git": "^3.10.0",
     "sweet.js": "^0.7.8",
-    "uglify-js": "^3.16.1"
+    "uglify-js": "^3.19.3"
   },
   "keywords": [
     "tradeshift",