diff --git a/package.json b/package.json
index 7664a3f..6b149c2 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@angular/platform-browser-dynamic": "~11.1.1",
     "@angular/router": "~11.1.1",
     "rxjs": "~6.6.0",
-    "tslib": "^2.0.0",
+    "tslib": "^2.5.0",
     "zone.js": "~0.11.3"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index c84aa95..075c87e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7766,6 +7766,11 @@ tslib@^1.10.0, tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
+tslib@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.5.0.tgz#42bfed86f5787aeb41d031866c8f402429e0fddf"
+  integrity sha512-336iVw3rtn2BUK7ORdIAHTyxHGRIHVReokCR3XjbckJMK7ms8FysBfhLR8IXnAgy7T0PTPNBWKiH514FOW/WSg==
+
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"