diff --git a/package.json b/package.json
index ddeabf7..eb0b35f 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "gulp-run": "^1.7.1",
     "gulp-sass": "^4.0.2",
     "gulp-sourcemaps": "^3.0.0",
-    "gulp-terser": "^1.4.1",
+    "gulp-terser": "^2.0.0",
     "localtunnel": "^2.0.0",
     "lodash": "^4.17.20",
     "lodash.template": "^4.5.0",
diff --git a/yarn.lock b/yarn.lock
index 0e4574d..32790e3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3623,14 +3623,13 @@ gulp-sourcemaps@^3.0.0:
     strip-bom-string "^1.0.0"
     through2 "^2.0.0"
 
-gulp-terser@^1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/gulp-terser/-/gulp-terser-1.4.1.tgz#06b30023889b149bdbbdd49fada31b233fe737df"
-  integrity sha512-VUoKrk24G0ojr7fXqlZ7vA8qDFHRloYAM6doNRyKdJ/LFkj+X3P04f+7LlOp7j05WtdOCEg65oG6nGjSf//78A==
+gulp-terser@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/gulp-terser/-/gulp-terser-2.0.0.tgz#07f95ef9121fe9d4970c3c4ee775c9cd658d0474"
+  integrity sha512-8KxzgUpNeLsSujUCrNKUiSI1ioO5TfW4ODhbM+wzNTWgYp7yCIl1c/5EeOI+SOXaNLi+BzzMqrbb0eYMIThFCQ==
   dependencies:
-    is-promise "^4.0.0"
     plugin-error "^1.0.1"
-    terser ">=4"
+    terser "5.4.0"
     through2 "^4.0.2"
     vinyl-sourcemaps-apply "^0.2.1"
 
@@ -4242,11 +4241,6 @@ is-promise@^2.1:
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.2.2.tgz#39ab959ccbf9a774cf079f7b40c7a26f763135f1"
   integrity sha512-+lP4/6lKUBfQjZ2pdxThZvLUAafmZb8OAxFb8XXtiQmS35INgr85hdOGoEs124ez1FCnZJt6jau/T+alh58QFQ==
 
-is-promise@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-4.0.0.tgz#42ff9f84206c1991d26debf520dd5c01042dd2f3"
-  integrity sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ==
-
 is-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.0.tgz#ece38e389e490df0dc21caea2bd596f987f767ff"
@@ -6548,7 +6542,7 @@ source-map-resolve@^0.5.0, source-map-resolve@^0.6.0:
     atob "^2.1.2"
     decode-uri-component "^0.2.0"
 
-source-map-support@~0.5.12:
+source-map-support@~0.5.19:
   version "0.5.19"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.19.tgz#a98b62f86dcaf4f67399648c085291ab9e8fed61"
   integrity sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==
@@ -6568,11 +6562,16 @@ source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.6:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
 
-source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
+source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
+source-map@~0.7.2:
+  version "0.7.3"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.7.3.tgz#5302f8169031735226544092e64981f751750383"
+  integrity sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==
+
 sparkles@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sparkles/-/sparkles-1.0.1.tgz#008db65edce6c50eec0c5e228e1945061dd0437c"
@@ -6949,14 +6948,14 @@ tempfile@^2.0.0:
     temp-dir "^1.0.0"
     uuid "^3.0.1"
 
-terser@>=4:
-  version "4.8.0"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
-  integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
+terser@5.4.0:
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-5.4.0.tgz#9815c0839072d5c894e22c6fc508fbe9f5e7d7e8"
+  integrity sha512-3dZunFLbCJis9TAF2VnX+VrQLctRUmt1p3W2kCsJuZE4ZgWqh//+1MZ62EanewrqKoUf4zIaDGZAvml4UDc0OQ==
   dependencies:
     commander "^2.20.0"
-    source-map "~0.6.1"
-    source-map-support "~0.5.12"
+    source-map "~0.7.2"
+    source-map-support "~0.5.19"
 
 tfunk@^4.0.0:
   version "4.0.0"