diff --git a/package.json b/package.json
index dbf7aad..f31343b 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "gulp-replace": "~1.1.3",
     "gulp-sourcemaps": "~3.0.0",
     "gulp-stylelint": "~13.0.0",
-    "gulp-terser": "~2.0.1",
+    "gulp-terser": "~2.1.0",
     "postcss": "~8.4.7",
     "postcss-preset-env": "~6.7.0",
     "stylelint": "~13.13.1",
diff --git a/yarn.lock b/yarn.lock
index d82e011..be3e3bc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -419,6 +419,11 @@ acorn@^7.4.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
   integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
 
+acorn@^8.5.0:
+  version "8.7.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.7.0.tgz#90951fde0f8f09df93549481e5fc141445b791cf"
+  integrity sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==
+
 agent-base@6:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-6.0.2.tgz#49fff58577cfee3f37176feab4c22e00f86d7f77"
@@ -3266,13 +3271,13 @@ gulp-stylelint@~13.0.0:
     strip-ansi "^6.0.0"
     through2 "^3.0.1"
 
-gulp-terser@~2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/gulp-terser/-/gulp-terser-2.0.1.tgz#5f8f4fc54588b79519243809cc8eef4936286d0d"
-  integrity sha512-XCrnCXP8ovNpgLK9McJIXlgm0j3W2TsiWu7K9y3m+Sn5XZgUzi6U8MPHtS3NdLMic9poCj695N0ARJ2B6atypw==
+gulp-terser@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/gulp-terser/-/gulp-terser-2.1.0.tgz#149b693a1adbde922807b60b844bb7351dafbde1"
+  integrity sha512-lQ3+JUdHDVISAlUIUSZ/G9Dz/rBQHxOiYDQ70IVWFQeh4b33TC1MCIU+K18w07PS3rq/CVc34aQO4SUbdaNMPQ==
   dependencies:
     plugin-error "^1.0.1"
-    terser "5.4.0"
+    terser "^5.9.0"
     through2 "^4.0.2"
     vinyl-sourcemaps-apply "^0.2.1"
 
@@ -6853,10 +6858,10 @@ source-map-resolve@^0.6.0:
     atob "^2.1.2"
     decode-uri-component "^0.2.0"
 
-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==
+source-map-support@~0.5.20:
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
+  integrity sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
@@ -7385,14 +7390,15 @@ ternary-stream@^3.0.0:
     merge-stream "^2.0.0"
     through2 "^3.0.1"
 
-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==
+terser@^5.9.0:
+  version "5.12.0"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-5.12.0.tgz#728c6bff05f7d1dcb687d8eace0644802a9dae8a"
+  integrity sha512-R3AUhNBGWiFc77HXag+1fXpAxTAFRQTJemlJKjAgD9r8xXTpjNKqIXwHM/o7Rh+O0kUJtS3WQVdBeMKFk5sw9A==
   dependencies:
+    acorn "^8.5.0"
     commander "^2.20.0"
     source-map "~0.7.2"
-    source-map-support "~0.5.19"
+    source-map-support "~0.5.20"
 
 text-table@^0.2.0:
   version "0.2.0"