diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/yarn.lock b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/yarn.lock
index 1d36e689da0..026b2d73b5f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/yarn.lock
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/yarn.lock
@@ -26,9 +26,9 @@ accepts@~1.3.5, accepts@~1.3.7:
     negotiator "0.6.2"
 
 acorn@^5.2.1:
-  version "5.7.3"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
-  integrity sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
+  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
 
 after@0.8.1:
   version "0.8.1"