diff --git a/packages/ripple-address-codec/yarn.lock b/packages/ripple-address-codec/yarn.lock
index c0b3c755..657b5319 100644
--- a/packages/ripple-address-codec/yarn.lock
+++ b/packages/ripple-address-codec/yarn.lock
@@ -3572,9 +3572,9 @@ typedarray-to-buffer@^3.1.5:
     is-typedarray "^1.0.0"
 
 typescript@^3.7.4:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
-  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
+  version "3.9.7"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
+  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
 
 union-value@^1.0.0:
   version "1.0.1"