diff --git a/package.json b/package.json
index 7bace1aa..98f5a788 100644
--- a/package.json
+++ b/package.json
@@ -86,6 +86,6 @@
     "sql-template-strings": "2.2.2",
     "ts-node": "5.0.1",
     "tslint": "5.13.1",
-    "typescript": "3.3.4000"
+    "typescript": "4.0.5"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index c76a9006..fd8f76ea 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6392,10 +6392,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.3.4000:
-  version "3.3.4000"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.4000.tgz#76b0f89cfdbf97827e1112d64f283f1151d6adf0"
-  integrity sha512-jjOcCZvpkl2+z7JFn0yBOoLQyLoIkNZAs/fYJkUG6VKy6zLPHJGfQJYFHzibB6GJaF/8QrcECtlQ5cpvRHSMEA==
+typescript@4.0.5:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
+  integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
 
 uglify-js@^3.1.4:
   version "3.6.0"