diff --git a/tez-ui/src/main/webapp/yarn.lock b/tez-ui/src/main/webapp/yarn.lock
index 7df8ea0a57..a577054ec9 100644
--- a/tez-ui/src/main/webapp/yarn.lock
+++ b/tez-ui/src/main/webapp/yarn.lock
@@ -1841,7 +1841,11 @@ esprima@^2.6.0:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
 
-esprima@^3.1.1, esprima@~3.1.0:
+esprima@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+
+esprima@~3.1.0:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
 
@@ -2731,11 +2735,11 @@ js-tokens@1.0.1:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-1.0.1.tgz#cc435a5c8b94ad15acb7983140fc80182c89aeae"
 
 js-yaml@^3.2.5, js-yaml@^3.2.7:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.3.tgz#33a05ec481c850c8875929166fe1beb61c728766"
+  version "3.14.2"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.2.tgz#77485ce1dd7f33c061fd1b16ecea23b55fcb04b0"
   dependencies:
     argparse "^1.0.7"
-    esprima "^3.1.1"
+    esprima "^4.0.0"
 
 jsbn@~0.1.0:
   version "0.1.1"