diff --git a/package-lock.json b/package-lock.json
index a2c743f..f714a4f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7172,9 +7172,9 @@
             }
         },
         "typescript": {
-            "version": "4.1.3",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.3.tgz",
-            "integrity": "sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==",
+            "version": "4.3.5",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+            "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
             "dev": true
         },
         "typestrict": {
diff --git a/package.json b/package.json
index 390b173..5141a8e 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
         "ts-jest": "26.5.2",
         "ts-node": "9.1.1",
         "tslint": "6.1.3",
-        "typescript": "4.1.3",
+        "typescript": "4.3.5",
         "typestrict": "1.0.2"
     },
     "peerDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 2e89c76..e82c63a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5342,10 +5342,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@4.1.3:
-  version "4.1.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
-  integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
+typescript@4.3.5:
+  version "4.3.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.5.tgz#4d1c37cc16e893973c45a06886b7113234f119f4"
+  integrity sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==
 
 typestrict@1.0.2:
   version "1.0.2"