diff --git a/package.json b/package.json
index 2944915fd..5eadd4420 100644
--- a/package.json
+++ b/package.json
@@ -222,7 +222,7 @@
     "stylelint-order": "4.0.0",
     "systemjs": "6.3.0",
     "tsickle": "0.38.1",
-    "tslib": "1.11.1",
+    "tslib": "1.14.1",
     "typescript": "3.8.3",
     "validate-commit-msg": "2.14.0",
     "zone.js": "0.10.3"
diff --git a/yarn.lock b/yarn.lock
index 740b130b7..d342c65b7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18411,6 +18411,11 @@ tslib@1.11.1, tslib@^1, tslib@^1.10.0, tslib@^1.7.1, tslib@^1.8.1, tslib@^1.9.0,
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
   integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
 
+tslib@1.14.1:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
+  integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
+
 tsutils@^3.17.1:
   version "3.17.1"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.17.1.tgz#ed719917f11ca0dee586272b2ac49e015a2dd759"