diff --git a/package-lock.json b/package-lock.json
index b8c0e4e..db3fd62 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2992,8 +2992,7 @@
             "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,
-            "optional": true
+            "dev": true
         },
         "commondir": {
             "version": "1.0.1",
@@ -5773,6 +5772,47 @@
                 }
             }
         },
+        "gulp-terser": {
+            "version": "1.4.0",
+            "resolved": "https://registry.npmjs.org/gulp-terser/-/gulp-terser-1.4.0.tgz",
+            "integrity": "sha512-7df9leJna3WOmj76tYHxjpn7BSU+vmKVjVSd6bz3uLEyrzCfZI97KPhRcIabrSNzs0UY/UXTt+JwkxPw3sF85w==",
+            "dev": true,
+            "requires": {
+                "is-promise": "^4.0.0",
+                "plugin-error": "^1.0.1",
+                "terser": ">=4",
+                "through2": "^4.0.2",
+                "vinyl-sourcemaps-apply": "^0.2.1"
+            },
+            "dependencies": {
+                "is-promise": {
+                    "version": "4.0.0",
+                    "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-4.0.0.tgz",
+                    "integrity": "sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ==",
+                    "dev": true
+                },
+                "readable-stream": {
+                    "version": "3.6.0",
+                    "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+                    "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+                    "dev": true,
+                    "requires": {
+                        "inherits": "^2.0.3",
+                        "string_decoder": "^1.1.1",
+                        "util-deprecate": "^1.0.1"
+                    }
+                },
+                "through2": {
+                    "version": "4.0.2",
+                    "resolved": "https://registry.npmjs.org/through2/-/through2-4.0.2.tgz",
+                    "integrity": "sha512-iOqSav00cVxEEICeD7TjLB1sueEL+81Wpzp2bY17uZjZN0pWZPuo4suZ/61VujxmqSGFfgOcNuTZ85QJwNZQpw==",
+                    "dev": true,
+                    "requires": {
+                        "readable-stream": "3"
+                    }
+                }
+            }
+        },
         "gulp-zip": {
             "version": "5.0.2",
             "resolved": "https://registry.npmjs.org/gulp-zip/-/gulp-zip-5.0.2.tgz",
@@ -10587,6 +10627,25 @@
                 }
             }
         },
+        "terser": {
+            "version": "5.3.1",
+            "resolved": "https://registry.npmjs.org/terser/-/terser-5.3.1.tgz",
+            "integrity": "sha512-yD80f4hdwCWTH5mojzxe1q8bN1oJbsK/vfJGLcPZM/fl+/jItIVNKhFIHqqR71OipFWMLgj3Kc+GIp6CeIqfnA==",
+            "dev": true,
+            "requires": {
+                "commander": "^2.20.0",
+                "source-map": "~0.6.1",
+                "source-map-support": "~0.5.12"
+            },
+            "dependencies": {
+                "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
+                }
+            }
+        },
         "textextensions": {
             "version": "2.6.0",
             "resolved": "https://registry.npmjs.org/textextensions/-/textextensions-2.6.0.tgz",
diff --git a/package.json b/package.json
index e36ee39..b07ea8a 100644
--- a/package.json
+++ b/package.json
@@ -61,9 +61,11 @@
         "gulp-sass": "^4.1.0",
         "gulp-size": "^3.0.0",
         "gulp-sourcemaps": "^2.6.5",
+        "gulp-terser": "^1.4.0",
         "gulp-zip": "^5.0.2",
         "merge-stream": "^2.0.0",
         "sass": "^1.26.10",
+        "terser": "^5.3.1",
         "vinyl-buffer": "^1.0.1",
         "vinyl-source-stream": "^2.0.0"
     }