diff --git a/package.json b/package.json
index b191a9b..c9936fb 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
 		"protractor": "7.0.0",
 		"rxjs": "6.6.0",
 		"ts-node": "8.10.2",
-		"tslib": "2.0.0",
+		"tslib": "2.5.0",
 		"tslint": "6.1.2",
 		"typescript": "3.9.6",
 		"web-animations-js": "2.3.2",
diff --git a/yarn.lock b/yarn.lock
index 1618216..05f132c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8453,6 +8453,11 @@ tslib@2.0.0, tslib@^2.0.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.0.0.tgz#18d13fc2dce04051e20f074cc8387fd8089ce4f3"
   integrity sha512-lTqkx847PI7xEDYJntxZH89L2/aXInsyF2luSafe/+0fHOMjlBNXdH6th7f70qxLDhul7KZK0zC8V5ZIyHl0/g==
 
+tslib@2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.5.0.tgz#42bfed86f5787aeb41d031866c8f402429e0fddf"
+  integrity sha512-336iVw3rtn2BUK7ORdIAHTyxHGRIHVReokCR3XjbckJMK7ms8FysBfhLR8IXnAgy7T0PTPNBWKiH514FOW/WSg==
+
 tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.2:
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"