diff --git a/package.json b/package.json
index a99921f0a..c83aebaa5 100644
--- a/package.json
+++ b/package.json
@@ -117,7 +117,7 @@
     "strip-ansi": "6.0.0",
     "synchronous-promise": "2.0.13",
     "tempy": "0.6.0",
-    "terser-webpack-plugin": "3.1.0",
+    "terser-webpack-plugin": "4.0.0",
     "webpack": "4.44.1"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 5c8206acf..d0e0d8257 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7558,10 +7558,10 @@ terminal-link@^2.0.0:
     ansi-escapes "^4.2.1"
     supports-hyperlinks "^2.0.0"
 
-terser-webpack-plugin@3.1.0:
-  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@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-4.0.0.tgz#d371fe78312c47d33452e465a1096db893613e78"
+  integrity sha512-Gb/bmPMavJsDTYiIocakp9OJhrIBnYrWa5VM0Bb2RngWmszeQUN1xFNh2E8Re+9Cj3/sPrA50Jj/q0nzgLAUuw==
   dependencies:
     cacache "^15.0.5"
     find-cache-dir "^3.3.1"
@@ -7570,7 +7570,7 @@ terser-webpack-plugin@3.1.0:
     schema-utils "^2.6.6"
     serialize-javascript "^4.0.0"
     source-map "^0.6.1"
-    terser "^4.8.0"
+    terser "^5.0.0"
     webpack-sources "^1.4.3"
 
 terser-webpack-plugin@^1.4.3:
@@ -7588,7 +7588,7 @@ terser-webpack-plugin@^1.4.3:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser@^4.1.2, terser@^4.7.0, terser@^4.8.0:
+terser@^4.1.2, terser@^4.7.0:
   version "4.8.0"
   resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
   integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
@@ -7597,6 +7597,15 @@ terser@^4.1.2, terser@^4.7.0, terser@^4.8.0:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
+terser@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-5.0.0.tgz#269640e4e92f15d628de1e5f01c4c61e1ba3d765"
+  integrity sha512-olH2DwGINoSuEpSGd+BsPuAQaA3OrHnHnFL/rDB2TVNc3srUbz/rq/j2BlF4zDXI+JqAvGr86bIm1R2cJgZ3FA==
+  dependencies:
+    commander "^2.20.0"
+    source-map "~0.6.1"
+    source-map-support "~0.5.12"
+
 test-exclude@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-6.0.0.tgz#04a8698661d805ea6fa293b6cb9e63ac044ef15e"