diff --git a/package.json b/package.json
index 1066d31..1c22501 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "dependencies": {
     "decod": "^6.1.6",
     "fp-ts": "^2.11.10",
-    "tslib": "^2.3.1"
+    "tslib": "^2.4.0"
   },
   "devDependencies": {
     "@types/jest": "^27.4.0",
diff --git a/yarn.lock b/yarn.lock
index fa1a188..55e5b2f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2740,10 +2740,10 @@ ts-jest@^27.1.4:
     semver "7.x"
     yargs-parser "20.x"
 
-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@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
 
 type-check@^0.4.0, type-check@~0.4.0:
   version "0.4.0"