diff --git a/yarn.lock b/yarn.lock
index b7f47a0..20b3f83 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4089,10 +4089,10 @@
     media-typer "0.3.0"
     mime-types "~2.1.18"
 
-typescript@~2.9.1:
-  version "2.9.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
-  integrity sha512-Gr4p6nFNaoufRIY4NMdpQRNmgxVIGMs4Fcu/ujdYk3nAZqk7supzBE9idmvfZIlH/Cuj//dvi+019qEue9lV0w==
+typescript@~3.1.6:
+  version "3.1.6"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.1.6.tgz#b6543a83cfc8c2befb3f4c8fba6896f5b0c9be68"
+  integrity sha512-tDMYfVtvpb96msS1lDX9MEdHrW4yOuZ4Kdc4Him9oU796XldPYF/t2+uKoX0BBa0hXXwDlqYQbXY5Rzjzc5hBA==
 
 ultron@1.0.x:
   version "1.0.2"