diff --git a/package.json b/package.json
index f2418f6f215b5b..89fb47511ad34c 100644
--- a/package.json
+++ b/package.json
@@ -363,7 +363,7 @@
 		"svgstore-cli": "^1.3.1",
 		"terser": "^4.6.13",
 		"ts-loader": "^6.2.1",
-		"typescript": "^3.8.3",
+		"typescript": "^3.9.7",
 		"vfile-message": "^2.0.4",
 		"webpack": "^4.42.0",
 		"webpack-bundle-analyzer": "^3.7.0",
diff --git a/packages/calypso-build/package.json b/packages/calypso-build/package.json
index 01b28abfdf0f7b..5ea2939b277c92 100644
--- a/packages/calypso-build/package.json
+++ b/packages/calypso-build/package.json
@@ -67,7 +67,7 @@
 		"sass-loader": "^8.0.0",
 		"terser-webpack-plugin": "^3.0.1",
 		"thread-loader": "^2.1.3",
-		"typescript": "^3.8.3",
+		"typescript": "^3.9.7",
 		"webpack": "^4.42.0",
 		"webpack-cli": "^3.3.11",
 		"webpack-rtl-plugin": "^2.0.0"
diff --git a/yarn.lock b/yarn.lock
index 20fffb11aff926..fce361ccdbaa6c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -25772,10 +25772,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.8.3:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
-  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
+typescript@^3.9.7:
+  version "3.9.7"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
+  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
 
 typeson-registry@^1.0.0-alpha.20:
   version "1.0.0-alpha.35"