diff --git a/package.json b/package.json
index 425c9894..87868417 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
         "typechain": "2.0.0",
         "typedoc": "0.19.1",
         "typedoc-plugin-sourcefile-url": "1.0.6",
-        "typescript": "4.0.2",
+        "typescript": "4.0.6",
         "wait-on": "5.2.0"
     },
     "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 9e3478d8..efef0ecc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3960,10 +3960,10 @@ typedoc@0.19.1:
     shelljs "^0.8.4"
     typedoc-default-themes "^0.11.1"
 
-typescript@4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.2.tgz#7ea7c88777c723c681e33bf7988be5d008d05ac2"
-  integrity sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==
+typescript@4.0.6:
+  version "4.0.6"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.6.tgz#314886f72a8e224d48e6ca760a9f314fecf7adcc"
+  integrity sha512-+eGgIo8Fl3l2B9Red9Q3VIkjMlUmaqELTJlsMqnHRe8V85DxJtr1q6Omjs0xBzXl0foNfCWu0fTf4jZ2LyWKPw==
 
 typical@^2.6.0, typical@^2.6.1:
   version "2.6.1"