diff --git a/packages/cli/package.json b/packages/cli/package.json
index fbe413c5a..8299bdf31 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -127,7 +127,7 @@
 		"source-map": "^0.7.2",
 		"stack-trace": "0.0.10",
 		"style-loader": "^1.1.3",
-		"terser-webpack-plugin": "^3.0.3",
+		"terser-webpack-plugin": "^5.0.1",
 		"typescript": "^3.4.5",
 		"update-notifier": "^4.1.0",
 		"url-loader": "^4.0.0",
diff --git a/yarn.lock b/yarn.lock
index f26cf47e8..0e1fd565f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2486,7 +2486,7 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/json-schema@^7.0.5":
+"@types/json-schema@^7.0.5", "@types/json-schema@^7.0.6":
   version "7.0.6"
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.6.tgz#f4c7ec43e81b319a9815115031709f26987891f0"
   integrity sha512-3c+yGKvVP5Y9TYBEibGNR+kLtijnj7mYrXRg+WpFb2X9xm04g/DXYkfg4hmzJQosc9snFNUPkbYIhu+KAm6jJw==
@@ -2884,6 +2884,16 @@ ajv@^6.1.0, ajv@^6.10.0, ajv@^6.10.2, ajv@^6.12.3, ajv@^6.12.4:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
+ajv@^6.12.5:
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 alphanum-sort@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/alphanum-sort/-/alphanum-sort-1.0.2.tgz#97a1119649b211ad33691d9f9f486a8ec9fbe0a3"
@@ -8475,10 +8485,10 @@ jest-worker@^24.9.0:
     merge-stream "^2.0.0"
     supports-color "^6.1.0"
 
-jest-worker@^26.2.1, jest-worker@^26.3.0:
-  version "26.3.0"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-26.3.0.tgz#7c8a97e4f4364b4f05ed8bca8ca0c24de091871f"
-  integrity sha512-Vmpn2F6IASefL+DVBhPzI2J9/GJUsqzomdeN+P+dK8/jKxbh8R3BtFnx3FIta7wYlPU62cpJMJQo4kuOowcMnw==
+jest-worker@^26.3.0, jest-worker@^26.6.1:
+  version "26.6.1"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-26.6.1.tgz#c2ae8cde6802cc14056043f997469ec170d9c32a"
+  integrity sha512-R5IE3qSGz+QynJx8y+ICEkdI2OJ3RJjRQVEyCcFAd3yVhQSEtquziPO29Mlzgn07LOVE8u8jhJ1FqcwegiXWOw==
   dependencies:
     "@types/node" "*"
     merge-stream "^2.0.0"
@@ -12661,6 +12671,15 @@ schema-utils@^2.6.5, schema-utils@^2.6.6, schema-utils@^2.7.0, schema-utils@^2.7
     ajv "^6.12.4"
     ajv-keywords "^3.5.2"
 
+schema-utils@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-3.0.0.tgz#67502f6aa2b66a2d4032b4279a2944978a0913ef"
+  integrity sha512-6D82/xSzO094ajanoOSbe4YvXWMfn2A//8Y1+MUqFAJul5Bs+yn36xbK9OtNDcRVSBJ9jjeoXftM6CfztsjOAA==
+  dependencies:
+    "@types/json-schema" "^7.0.6"
+    ajv "^6.12.5"
+    ajv-keywords "^3.5.2"
+
 scss-tokenizer@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz#8eb06db9a9723333824d3f5530641149847ce5d1"
@@ -12756,6 +12775,13 @@ serialize-javascript@^4.0.0:
   dependencies:
     randombytes "^2.1.0"
 
+serialize-javascript@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-5.0.1.tgz#7886ec848049a462467a97d3d918ebb2aaf934f4"
+  integrity sha512-SaaNal9imEO737H2c05Og0/8LUXG7EnsZyMa8MzkmuHoELfT6txuj0cMqRj6zfPKnmQ1yasR4PCJc8x+M4JSPA==
+  dependencies:
+    randombytes "^2.1.0"
+
 serve-index@^1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/serve-index/-/serve-index-1.9.1.tgz#d3768d69b1e7d82e5ce050fff5b453bea12a9239"
@@ -13091,7 +13117,7 @@ source-map-resolve@^0.5.0, source-map-resolve@^0.5.2:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.5.6, source-map-support@~0.5.12:
+source-map-support@^0.5.6, 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==
@@ -13121,7 +13147,7 @@ source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~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, source-map@^0.7.3:
+source-map@^0.7.2, source-map@^0.7.3, 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==
@@ -13768,22 +13794,19 @@ terser-webpack-plugin@^1.4.3:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser-webpack-plugin@^3.0.3:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-3.1.0.tgz#91e6d39571460ed240c0cf69d295bcf30ebf98cb"
-  integrity sha512-cjdZte66fYkZ65rQ2oJfrdCAkkhJA7YLYk5eGOcGCSGlq0ieZupRdjedSQXYknMPo2IveQL+tPdrxUkERENCFA==
+terser-webpack-plugin@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-5.0.1.tgz#b1f02e43d93ca61a0bdd9e870f4e3489e12a6c9b"
+  integrity sha512-EwUe+XDTFf/2cAlmAlZZ7vRpNKMZUAypX2kIRm0Fmjlz4l7SqbI/VabmgiesNZW2nq/LR0N7ku/wlTQ6ygen0w==
   dependencies:
-    cacache "^15.0.5"
-    find-cache-dir "^3.3.1"
-    jest-worker "^26.2.1"
+    jest-worker "^26.6.1"
     p-limit "^3.0.2"
-    schema-utils "^2.6.6"
-    serialize-javascript "^4.0.0"
+    schema-utils "^3.0.0"
+    serialize-javascript "^5.0.1"
     source-map "^0.6.1"
-    terser "^4.8.0"
-    webpack-sources "^1.4.3"
+    terser "^5.3.8"
 
-terser@^4.1.2, terser@^4.6.2, terser@^4.8.0:
+terser@^4.1.2, terser@^4.6.2:
   version "4.8.0"
   resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
   integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
@@ -13792,6 +13815,15 @@ terser@^4.1.2, terser@^4.6.2, terser@^4.8.0:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
+terser@^5.3.8:
+  version "5.3.8"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-5.3.8.tgz#991ae8ba21a3d990579b54aa9af11586197a75dd"
+  integrity sha512-zVotuHoIfnYjtlurOouTazciEfL7V38QMAOhGqpXDEg6yT13cF4+fEP9b0rrCEQTn+tT46uxgFsTZzhygk+CzQ==
+  dependencies:
+    commander "^2.20.0"
+    source-map "~0.7.2"
+    source-map-support "~0.5.19"
+
 test-exclude@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-6.0.0.tgz#04a8698661d805ea6fa293b6cb9e63ac044ef15e"