diff --git a/package.json b/package.json
index 4c2f53e..3538f21 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "rimraf": "3.0.2",
     "ts-jest": "25.2.1",
     "ts-node": "8.8.1",
-    "tslib": "1.11.1",
+    "tslib": "2.6.0",
     "typescript": "3.8.3"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index abd0576..8e041ba 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4267,7 +4267,12 @@ ts-node@8.8.1:
     source-map-support "^0.5.6"
     yn "3.1.1"
 
-tslib@1.11.1, tslib@^1.8.1, tslib@^1.9.0:
+tslib@2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.0.tgz#b295854684dbda164e181d259a22cd779dcd7bc3"
+  integrity sha512-7At1WUettjcSRHXCyYtTselblcHl9PJFFVKiCAy/bY97+BPZXSQ2wbq0P9s8tK2G7dFQfNnlJnPAiArVBVBsfA==
+
+tslib@^1.8.1, tslib@^1.9.0:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
   integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==