diff --git a/package.json b/package.json
index 43a1623..3820a3c 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "@oclif/errors": "1.3.4",
     "@salesforce/command": "3.1.0",
     "@salesforce/core": "2.20.11",
-    "tslib": "2.2.0"
+    "tslib": "2.4.1"
   },
   "devDependencies": {
     "@oclif/dev-cli": "1.26.0",
diff --git a/yarn.lock b/yarn.lock
index bae52e3..6b0bd57 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8203,10 +8203,10 @@ ts-retry-promise@^0.6.0:
   resolved "https://registry.yarnpkg.com/ts-retry-promise/-/ts-retry-promise-0.6.1.tgz#cade4d8c72ee177b9f0b9ec3ab21770752996543"
   integrity sha512-6L9PAWahkRtZ4mG48wz3Mxk7LfW1eZKEPsCteIa5fbDE1G2kFk4ThHXbynKlIZLg0RdenDBDw6CLME5liOrBSQ==
 
-tslib@2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.2.0.tgz#fb2c475977e35e241311ede2693cee1ec6698f5c"
-  integrity sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w==
+tslib@2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.1.tgz#0d0bfbaac2880b91e22df0768e55be9753a5b17e"
+  integrity sha512-tGyy4dAjRIEwI7BzsB0lynWgOpfqjUdq91XXAlIWD2OwKBH7oCl/GZG/HT4BOHrTlPMOASlMQ7veyTqpmRcrNA==
 
 tslib@^1, tslib@^1.10.0, tslib@^1.13.0, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   version "1.14.1"