diff --git a/chart/yarn.lock b/chart/yarn.lock
index c6d5709..8e06767 100644
--- a/chart/yarn.lock
+++ b/chart/yarn.lock
@@ -908,9 +908,9 @@ acorn-to-esprima@^1.0.5:
   integrity sha1-lDYll2AJj56tm52iJC+rL0hQKBs=
 
 acorn@^5.2.1:
-  version "5.7.3"
-  resolved "https://registry.npm.taobao.org/acorn/download/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
-  integrity sha1-Z6ojG/iBKXS4UjWpZ3Hra9B+onk=
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
+  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
 
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"