diff --git a/yarn.lock b/yarn.lock
index 6da5a71..258ee1c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1134,8 +1134,8 @@ acorn-walk@^7.0.0:
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-7.0.0.tgz#c8ba6f0f1aac4b0a9e32d1f0af12be769528f36b"
 
 acorn@^6.0.7, acorn@^6.2.1:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.0.tgz#b659d2ffbafa24baf5db1cdbb2c94a983ecd2784"
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.1.tgz#531e58ba3f51b9dacb9a6646ca4debf5b14ca474"
 
 acorn@^7.1.0:
   version "7.1.0"