diff --git a/package-lock.json b/package-lock.json
index 1f7d618..3f042fe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13004,6 +13004,12 @@
             }
           }
         },
+        "typescript": {
+          "version": "3.9.7",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.7.tgz",
+          "integrity": "sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==",
+          "dev": true
+        },
         "whatwg-url": {
           "version": "6.5.0",
           "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.5.0.tgz",
@@ -13124,9 +13130,9 @@
       }
     },
     "typescript": {
-      "version": "3.7.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.5.tgz",
-      "integrity": "sha512-/P5lkRXkWHNAbcJIiHPfRoKqyd7bsyCma1hZNUGfn20qm64T6ZBlrzprymeu918H+mB/0rIg2gGK/BXkhhYgBw==",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.2.tgz",
+      "integrity": "sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==",
       "dev": true
     },
     "unicode-canonical-property-names-ecmascript": {
diff --git a/package.json b/package.json
index 41ae141..747a572 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,6 @@
     "ts-node": "^8.6.2",
     "tsdx": "^0.12.3",
     "tslib": "^1.10.0",
-    "typescript": "^3.7.5"
+    "typescript": "^4.1.2"
   }
 }