diff --git a/package.json b/package.json
index 901597e..39cf3b8 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "jest": "^26.4.0",
     "npm-run-all": "^4.1.5",
     "ts-jest": "^26.2.0",
-    "typescript": "^3.9.7",
+    "typescript": "^4.0.5",
     "wasm-pack": "^0.9.1"
   }
 }