diff --git a/packages/ripple-keypairs/package.json b/packages/ripple-keypairs/package.json
index 22c40319..7bba49f8 100644
--- a/packages/ripple-keypairs/package.json
+++ b/packages/ripple-keypairs/package.json
@@ -34,7 +34,7 @@
     "prettier": "^2.0.5",
     "source-map-support": "^0.5.16",
     "ts-node": "^9.0.0",
-    "typescript": "^3.6.4"
+    "typescript": "^4.0.3"
   },
   "scripts": {
     "compile": "tsc",
diff --git a/packages/ripple-keypairs/yarn.lock b/packages/ripple-keypairs/yarn.lock
index 4c87939a..6888e5c2 100644
--- a/packages/ripple-keypairs/yarn.lock
+++ b/packages/ripple-keypairs/yarn.lock
@@ -2700,10 +2700,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@^3.6.4:
-  version "3.9.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.5.tgz#586f0dba300cde8be52dd1ac4f7e1009c1b13f36"
-  integrity sha512-hSAifV3k+i6lEoCJ2k6R2Z/rp/H3+8sdmcn5NrS3/3kE7+RyZXm9aqvxWqjEXHAd8b0pShatpcdMTvEdvAJltQ==
+typescript@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.3.tgz#153bbd468ef07725c1df9c77e8b453f8d36abba5"
+  integrity sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==
 
 uri-js@^4.2.2:
   version "4.2.2"