diff --git a/package.json b/package.json
index 2f81835..e9f4643 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   "license": "MIT",
   "dependencies": {
     "@fimbul/bifrost": "^0.21.0",
-    "tslib": "^1.7.1",
+    "tslib": "^2.0.0",
     "tsutils": "^2.29.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index b65b3e6..2e3bb75 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1957,11 +1957,16 @@ try-catch@^2.0.0:
   resolved "https://registry.yarnpkg.com/try-catch/-/try-catch-2.0.0.tgz#a491141d597f8b72b46757fe1c47059341a16aed"
   integrity sha512-RPXpVjsbtWgymwGq5F/OWDFsjEzdvzwHFaMjWWW6f/p6+uk/N7YSKJHQfIfGqITfj8qH4cBqCLMnhKZBaKk7Kg==
 
-tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1:
+tslib@^1.8.0, tslib@^1.8.1:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
   integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
 
+tslib@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.0.0.tgz#18d13fc2dce04051e20f074cc8387fd8089ce4f3"
+  integrity sha512-lTqkx847PI7xEDYJntxZH89L2/aXInsyF2luSafe/+0fHOMjlBNXdH6th7f70qxLDhul7KZK0zC8V5ZIyHl0/g==
+
 tslint@^5.0.0, tslint@^5.8.0:
   version "5.11.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.11.0.tgz#98f30c02eae3cde7006201e4c33cb08b48581eed"