diff --git a/yarn.lock b/yarn.lock
index a9d4bb0..b8fc214 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -68,8 +68,8 @@ acorn@^4.0.4:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
 
 ajv@^6.5.5:
-  version "6.6.2"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.6.2.tgz#caceccf474bf3fc3ce3b147443711a24063cc30d"
+  version "6.7.0"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.7.0.tgz#e3ce7bb372d6577bb1839f1dfdfcbf5ad2948d96"
   dependencies:
     fast-deep-equal "^2.0.1"
     fast-json-stable-stringify "^2.0.0"