diff --git a/package-lock.json b/package-lock.json
index e07a88c..6b51e72 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
             "sinon": "5.1.1",
             "source-map-support": "0.5.16",
             "ts-node": "7.0.1",
-            "tslib": "1.9.3",
+            "tslib": "2.6.2",
             "typescript": "3.9.5"
          },
          "peerDependencies": {
@@ -12738,9 +12738,9 @@
          }
       },
       "node_modules/tslib": {
-         "version": "1.9.3",
-         "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
-         "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==",
+         "version": "2.6.2",
+         "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+         "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==",
          "dev": true
       },
       "node_modules/tsutils": {
@@ -12758,6 +12758,12 @@
             "typescript": ">=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta"
          }
       },
+      "node_modules/tsutils/node_modules/tslib": {
+         "version": "1.14.1",
+         "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+         "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
+         "dev": true
+      },
       "node_modules/tunnel-agent": {
          "version": "0.6.0",
          "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -23195,9 +23201,9 @@
          }
       },
       "tslib": {
-         "version": "1.9.3",
-         "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
-         "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==",
+         "version": "2.6.2",
+         "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+         "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==",
          "dev": true
       },
       "tsutils": {
@@ -23207,6 +23213,14 @@
          "dev": true,
          "requires": {
             "tslib": "^1.8.1"
+         },
+         "dependencies": {
+            "tslib": {
+               "version": "1.14.1",
+               "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+               "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
+               "dev": true
+            }
          }
       },
       "tunnel-agent": {
diff --git a/package.json b/package.json
index 2dd23ca..ff3cc54 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
       "sinon": "5.1.1",
       "source-map-support": "0.5.16",
       "ts-node": "7.0.1",
-      "tslib": "1.9.3",
+      "tslib": "2.6.2",
       "typescript": "3.9.5"
    }
 }