diff --git a/src/client/web/yarn.lock b/src/client/web/yarn.lock
index ec4c649..bc4f706 100644
--- a/src/client/web/yarn.lock
+++ b/src/client/web/yarn.lock
@@ -1395,8 +1395,8 @@ acorn-walk@^7.1.1:
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-7.2.0.tgz#0de889a601203909b0fbe07b8938dc21d2e967bc"
 
 acorn@^6.0.7:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.1.1.tgz#7d25ae05bb8ad1f9b699108e1094ecd7884adc1f"
+  version "6.4.2"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.2.tgz#35866fd710528e92de10cf06016498e47e39e1e6"
 
 acorn@^7.1.1:
   version "7.4.1"