diff --git a/yarn.lock b/yarn.lock
index 459137f..1fcbab7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1431,9 +1431,9 @@ acorn-walk@^6.0.1:
   integrity sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==
 
 acorn@^5.5.3:
-  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==
 
 acorn@^6.0.1, acorn@^6.0.4, acorn@^6.2.1:
   version "6.3.0"
@@ -8151,7 +8151,7 @@ react-is@^16.8.1, react-is@^16.8.4, react-is@^16.8.6, react-is@^16.9.0:
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.9.0.tgz#21ca9561399aad0ff1a7701c01683e8ca981edcb"
   integrity sha512-tJBzzzIgnnRfEm046qRcURvwQnZVXmuCbscxUO5RWrGTXpon2d4c8mI0D8WE6ydVIm29JiLB6+RslkIvym9Rjw==
 
-react-scripts@3.3.1:
+react-scripts@3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/react-scripts/-/react-scripts-3.1.1.tgz#1796bc92447f3a2d3072c3b71ca99f88d099c48d"
   integrity sha512-dbjTG9vJC61OI62hIswQYg5xHvwlxDTH6QXz6ICEuA5AqkFQWk1LKl76sk8fVL2WsyumbBc4FErALwKcEV2vNA==