diff --git a/package.json b/package.json
index 7a1afa9..8a0ee60 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "lodash": "^4.17.13",
     "mime-types": "^2.1.24",
     "xmldom-sfdx-encoding": "^0.1.29",
-    "tslib": "^1.9.3"
+    "tslib": "^2.2.0"
   },
   "devDependencies": {
     "@oclif/dev-cli": "^1.21.0",
diff --git a/yarn.lock b/yarn.lock
index be1ea0a..a11836e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3601,10 +3601,10 @@ tslib@^1.10.0, tslib@^1.9.3:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
-tslib@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.0.1.tgz#410eb0d113e5b6356490eec749603725b021b43e"
-  integrity sha512-SgIkNheinmEBgx1IUNirK0TUD4X9yjjBRTqqjggWCU3pUEqIk3/Uwl3yRixYKT6WjQuGiwDv4NomL3wqRCj+CQ==
+tslib@^2.0.0, 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==
 
 tunnel-agent@*, tunnel-agent@^0.6.0, tunnel-agent@~0.6.0:
   version "0.6.0"