diff --git a/package-lock.json b/package-lock.json
index 718aeb1..389a862 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4985,9 +4985,9 @@
       }
     },
     "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": "5.15.0",
diff --git a/package.json b/package.json
index c4a0dad..74fa2b0 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "normalize-package-data": "^2.5.0",
     "recursive-readdir": "^2.2.2",
     "semver-diff": "^2.1.0",
-    "tslib": "^1.9.3"
+    "tslib": "^1.11.1"
   },
   "devDependencies": {
     "@oclif/dev-cli": "^1.21.0",