diff --git a/packages/angular_devkit/build_angular/package.json b/packages/angular_devkit/build_angular/package.json
index 01e091c981..6aa12eed8c 100644
--- a/packages/angular_devkit/build_angular/package.json
+++ b/packages/angular_devkit/build_angular/package.json
@@ -53,7 +53,7 @@
     "stylus": "0.54.7",
     "stylus-loader": "3.0.2",
     "tree-kill": "1.2.1",
-    "terser": "4.2.1",
+    "terser": "4.3.1",
     "terser-webpack-plugin": "1.4.1",
     "webpack": "4.39.3",
     "webpack-dev-middleware": "3.7.1",
diff --git a/yarn.lock b/yarn.lock
index db237bc771..a66a28f64e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11246,10 +11246,10 @@ terser-webpack-plugin@1.4.1, terser-webpack-plugin@^1.4.1:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser@4.2.1:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.2.1.tgz#1052cfe17576c66e7bc70fcc7119f22b155bdac1"
-  integrity sha512-cGbc5utAcX4a9+2GGVX4DsenG6v0x3glnDi5hx8816X1McEAwPlPgRtXPJzSBsbpILxZ8MQMT0KvArLuE0HP5A==
+terser@4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.3.1.tgz#09820bcb3398299c4b48d9a86aefc65127d0ed65"
+  integrity sha512-pnzH6dnFEsR2aa2SJaKb1uSCl3QmIsJ8dEkj0Fky+2AwMMcC9doMqLOQIH6wVTEKaVfKVvLSk5qxPBEZT9mywg==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"