diff --git a/package.json b/package.json
index 2e1c8e18338e..ede923924d30 100644
--- a/package.json
+++ b/package.json
@@ -210,7 +210,7 @@
     "symbol-observable": "4.0.0",
     "tar": "^6.1.6",
     "temp": "^0.9.0",
-    "terser": "5.11.0",
+    "terser": "5.14.2",
     "text-table": "0.2.0",
     "tree-kill": "1.2.2",
     "ts-node": "^10.0.0",
diff --git a/packages/angular_devkit/build_angular/package.json b/packages/angular_devkit/build_angular/package.json
index c5b7da0498f3..902d92b3c957 100644
--- a/packages/angular_devkit/build_angular/package.json
+++ b/packages/angular_devkit/build_angular/package.json
@@ -61,7 +61,7 @@
     "source-map-support": "0.5.21",
     "stylus": "0.56.0",
     "stylus-loader": "6.2.0",
-    "terser": "5.11.0",
+    "terser": "5.14.2",
     "text-table": "0.2.0",
     "tree-kill": "1.2.2",
     "tslib": "2.3.1",
diff --git a/yarn.lock b/yarn.lock
index b73ad4debb42..1a802d174f72 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1503,6 +1503,15 @@
     "@jridgewell/set-array" "^1.0.0"
     "@jridgewell/sourcemap-codec" "^1.4.10"
 
+"@jridgewell/gen-mapping@^0.3.0":
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/@jridgewell/gen-mapping/-/gen-mapping-0.3.2.tgz#c1aedc61e853f2bb9f5dfe6d4442d3b565b253b9"
+  integrity sha512-mh65xKQAzI6iBcFzwv28KVWSmCkdRBWoOh+bYQGW3+6OZvbbN3TqMGo5hqYxQniRcH9F2VZIoJCm4pa3BPDK/A==
+  dependencies:
+    "@jridgewell/set-array" "^1.0.1"
+    "@jridgewell/sourcemap-codec" "^1.4.10"
+    "@jridgewell/trace-mapping" "^0.3.9"
+
 "@jridgewell/resolve-uri@^3.0.3":
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/@jridgewell/resolve-uri/-/resolve-uri-3.0.3.tgz#b80093f4edbb5490c49746231513669c8f518acb"
@@ -1513,6 +1522,19 @@
   resolved "https://registry.yarnpkg.com/@jridgewell/set-array/-/set-array-1.1.0.tgz#1179863356ac8fbea64a5a4bcde93a4871012c01"
   integrity sha512-SfJxIxNVYLTsKwzB3MoOQ1yxf4w/E6MdkvTgrgAt1bfxjSrLUoHMKrDOykwN14q65waezZIdqDneUIPh4/sKxg==
 
+"@jridgewell/set-array@^1.0.1":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@jridgewell/set-array/-/set-array-1.1.2.tgz#7c6cf998d6d20b914c0a55a91ae928ff25965e72"
+  integrity sha512-xnkseuNADM0gt2bs+BvhO0p78Mk762YnZdsuzFV018NoG1Sj1SCQvpSqa7XUaTam5vAGasABV9qXASMKnFMwMw==
+
+"@jridgewell/source-map@^0.3.2":
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/@jridgewell/source-map/-/source-map-0.3.2.tgz#f45351aaed4527a298512ec72f81040c998580fb"
+  integrity sha512-m7O9o2uR8k2ObDysZYzdfhb08VuEml5oWGiosa1VdaPZ/A6QyPkAJuwN0Q1lhULOf6B7MtQmHENS743hWtCrgw==
+  dependencies:
+    "@jridgewell/gen-mapping" "^0.3.0"
+    "@jridgewell/trace-mapping" "^0.3.9"
+
 "@jridgewell/sourcemap-codec@^1.4.10":
   version "1.4.11"
   resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.11.tgz#771a1d8d744eeb71b6adb35808e1a6c7b9b8c8ec"
@@ -10681,14 +10703,14 @@ terser@5.10.0, terser@^5.7.2:
     source-map "~0.7.2"
     source-map-support "~0.5.20"
 
-terser@5.11.0:
-  version "5.11.0"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-5.11.0.tgz#2da5506c02e12cd8799947f30ce9c5b760be000f"
-  integrity sha512-uCA9DLanzzWSsN1UirKwylhhRz3aKPInlfmpGfw8VN6jHsAtu8HJtIpeeHHK23rxnE/cDc+yvmq5wqkIC6Kn0A==
+terser@5.14.2:
+  version "5.14.2"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-5.14.2.tgz#9ac9f22b06994d736174f4091aa368db896f1c10"
+  integrity sha512-oL0rGeM/WFQCUd0y2QrWxYnq7tfSuKBiqTjRPWrRgB46WD/kiwHwF8T23z78H6Q6kGCuuHcPB+KULHRdxvVGQA==
   dependencies:
+    "@jridgewell/source-map" "^0.3.2"
     acorn "^8.5.0"
     commander "^2.20.0"
-    source-map "~0.7.2"
     source-map-support "~0.5.20"
 
 test-exclude@^6.0.0: