diff --git a/package.json b/package.json
index b1c021a1..41eb6672 100644
--- a/package.json
+++ b/package.json
@@ -95,6 +95,6 @@
     "sinon": "^9.2.0",
     "source-map-support": "^0.5.19",
     "ts-node": "^9.0.0",
-    "typescript": "^4.0.3"
+    "typescript": "^4.0.5"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index e4aaaadd..d9d8a0e7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4001,10 +4001,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@^4.0.3:
-  version "4.0.3"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-4.0.3.tgz#153bbd468ef07725c1df9c77e8b453f8d36abba5"
-  integrity sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==
+typescript@^4.0.5:
+  version "4.0.5"
+  resolved "https://registry.npmjs.org/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
+  integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
 
 unique-string@^2.0.0:
   version "2.0.0"