diff --git a/example/package-lock.json b/example/package-lock.json
index a6298927..790930fb 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -6977,9 +6977,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
-      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.3.tgz",
+      "integrity": "sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==",
       "dev": true
     },
     "uncss": {
diff --git a/example/package.json b/example/package.json
index 943a68a9..0d4bd9d0 100644
--- a/example/package.json
+++ b/example/package.json
@@ -18,6 +18,6 @@
     "@types/react": "16.9.52",
     "@types/react-dom": "16.9.6",
     "parcel": "1.12.4",
-    "typescript": "3.8.3"
+    "typescript": "4.0.3"
   }
 }
diff --git a/package-lock.json b/package-lock.json
index b07739e9..bc62dc94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9264,6 +9264,12 @@
             "ansi-styles": "^3.2.0",
             "react-is": "^16.8.4"
           }
+        },
+        "typescript": {
+          "version": "3.9.7",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.7.tgz",
+          "integrity": "sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==",
+          "dev": true
         }
       }
     },
@@ -9313,9 +9319,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.2.tgz",
-      "integrity": "sha512-q2ktq4n/uLuNNShyayit+DTobV2ApPEo/6so68JaD5ojvc/6GClBipedB9zNWYxRSAlZXAe405Rlijzl6qDiSw==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.3.tgz",
+      "integrity": "sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==",
       "dev": true
     },
     "unicode-canonical-property-names-ecmascript": {
diff --git a/package.json b/package.json
index 85659809..dbd2dcc0 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "react-dom": "16.13.1",
     "tsdx": "0.13.2",
     "tslib": "1.11.1",
-    "typescript": "3.9.2"
+    "typescript": "4.0.3"
   },
   "dependencies": {
     "file-saver": "2.0.2",