diff --git a/package-lock.json b/package-lock.json
index 01d96480..ce8756c7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9790,9 +9790,9 @@
       }
     },
     "typescript": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.2.tgz",
-      "integrity": "sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==",
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 36fd187b..c386df6f 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
         "rollup-plugin-typescript": "1.0.1",
         "sinon": "9.2.2",
         "tslint": "6.1.3",
-        "typescript": "4.1.2"
+        "typescript": "4.3.5"
     },
     "directories": {
         "test": "test"