diff --git a/package-lock.json b/package-lock.json
index b2c91db..5098b23 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9476,9 +9476,9 @@
             "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
         },
         "typescript": {
-            "version": "3.5.3",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.3.tgz",
-            "integrity": "sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==",
+            "version": "4.0.5",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.5.tgz",
+            "integrity": "sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==",
             "dev": true
         },
         "uglify-js": {
diff --git a/package.json b/package.json
index cd90894..b7788d4 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
         "eslint-plugin-standard": "~4.0",
         "mocha": "~6.2",
         "rimraf": "~2.6",
-        "typescript": "^3.5.3"
+        "typescript": "^4.0.5"
     },
     "author": "Dimitri Arrigoni",
     "license": "MIT"