diff --git a/package-lock.json b/package-lock.json
index 08478c7a0..203f4c345 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5983,9 +5983,9 @@
 			"dev": true
 		},
 		"tslib": {
-			"version": "1.9.3",
-			"resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
-			"integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ=="
+			"version": "1.11.1",
+			"resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
+			"integrity": "sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA=="
 		},
 		"tslint": {
 			"version": "5.16.0",
diff --git a/package.json b/package.json
index 30bc78dc7..3e115b9db 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
 	"types": "./lib/src/index.d.ts",
 	"dependencies": {
 		"@babel/runtime": "^7.4.4",
-		"tslib": "^1.9.3"
+		"tslib": "^1.11.1"
 	},
 	"devDependencies": {
 		"@babel/core": "^7.4.4",