diff --git a/package.json b/package.json
index 0e313158..cb690441 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "svg-inline-loader": "^0.8.2",
     "thenby": "^1.3.4",
     "ts-loader": "^9.4.1",
-    "tslib": "^2.3.1",
+    "tslib": "^2.4.0",
     "typedoc": "^0.22.18",
     "typescript": "^4.3.5",
     "utils-decorators": "^1.10.4",
diff --git a/yarn.lock b/yarn.lock
index bdfca1bc..8dd40827 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8863,10 +8863,10 @@ tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   resolved "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2.0.0, tslib@^2.0.3, tslib@^2.1.0, tslib@^2.2.0, tslib@^2.3.0, tslib@^2.3.1:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.1.tgz#e8a335add5ceae51aa261d32a490158ef042ef01"
-  integrity sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==
+tslib@^2.0.0, tslib@^2.0.3, tslib@^2.1.0, tslib@^2.2.0, tslib@^2.3.0, tslib@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
 
 tsutils@^3.21.0:
   version "3.21.0"