diff --git a/package.json b/package.json
index 65374b95eb..e256768e9a 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,8 @@
     "eslint-plugin-prettier": "^3.1.2",
     "husky": "^6.0.0",
     "lerna": "^4.0.0",
-    "prettier": "^2.0.5"
+    "prettier": "^2.0.5",
+    "typescript": "4.2.2"
   },
   "resolutions": {
     "**/**/bl": "^4.0.3",
diff --git a/yarn.lock b/yarn.lock
index 69391a3989..f4a2d6ebe2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -23323,6 +23323,11 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
+typescript@4.2.2:
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.2.2.tgz#1450f020618f872db0ea17317d16d8da8ddb8c4c"
+  integrity sha512-tbb+NVrLfnsJy3M59lsDgrzWIflR4d4TIUjz+heUnHZwdF7YsrMTKoRERiIvI2lvBG95dfpLxB21WZhys1bgaQ==
+
 typescript@^4.0.3, typescript@^4.1.2:
   version "4.3.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.2.tgz#399ab18aac45802d6f2498de5054fcbbe716a805"