diff --git a/package.json b/package.json
index adf303d3..b9bd0a15 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "ts-node": "10.0.0",
     "ts-jest": "26.5.6",
     "tsickle": "0.40.0",
-    "tslib": "2.2.0",
+    "tslib": "2.5.2",
     "typescript": "4.2.4",
     "yarn": "1.22.17"
   }
diff --git a/package/package.json b/package/package.json
index f5c9d8da..fd020f48 100644
--- a/package/package.json
+++ b/package/package.json
@@ -15,7 +15,7 @@
     "@angular/core": "^5.0.0 || ^6.0.0 || ^7.0.0 || ^8.0.0 || ^9.0.0 || ^10.0.0 || ^11.0.0 || ^12.0.0",
     "@angular/router": "^5.0.0 || ^6.0.0 || ^7.0.0 || ^8.0.0 || ^9.0.0 || ^10.0.0 || ^11.0.0 || ^12.0.0",
     "rxjs": "^6.0.0 || ^7.0.0",
-    "tslib": "~2.0.3 || ~2.1.0 || ~2.2.0"
+    "tslib": "~2.0.3 || ~2.1.0 || ~2.2.0 || ~2.5.0"
   },
   "keywords": [
     "angular",
diff --git a/yarn.lock b/yarn.lock
index 45ed4baf..e2b8ede2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13061,6 +13061,11 @@ tslib@2.3.1:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.1.tgz#e8a335add5ceae51aa261d32a490158ef042ef01"
   integrity sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==
 
+tslib@2.5.2:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.5.2.tgz#1b6f07185c881557b0ffa84b111a0106989e8338"
+  integrity sha512-5svOrSA2w3iGFDs1HibEVBGbDrAY82bFQ3HZ3ixB+88nsbsWQoKqDRb5UBYAUPEzbBn6dAp5gRNXglySbx1MlA==
+
 tslib@^1, tslib@^1.10.0, tslib@^1.11.2, tslib@^1.13.0, tslib@^1.9.0, tslib@^1.9.3:
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"