diff --git a/package-lock.json b/package-lock.json
index 5c569a7..e00f2de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7069,15 +7069,21 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.0.tgz",
-      "integrity": "sha512-W+jrUHJr3DXKhrsS7NUVxn3zqMOFn0hL/Ei6v0anCIMoKC93TjcflTagwIHLW7SfMFfiQuktQyFVCFHGUE0+yg==",
+      "version": "3.6.5",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.5.tgz",
+      "integrity": "sha512-7L3W+Npia1OCr5Blp4/Vw83tK1mu5gnoIURtT1fUVfQ3Kf8WStWV6NJz0fdoBJZls0KlweruRTLVe6XLafmy5g==",
       "dev": true,
       "requires": {
-        "commander": "~2.20.0",
+        "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",
diff --git a/package.json b/package.json
index 32db0cc..db858fc 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "ts-loader": "^6.0.4",
     "typedoc": "^0.15.0",
     "typescript": "^3.5.3",
-    "uglify-js": "^3.3.21",
+    "uglify-js": "^3.6.5",
     "watch": "^1.0.2",
     "webpack": "^4.39.2",
     "webpack-cli": "^3.3.7"