diff --git a/backend/yarn.lock b/backend/yarn.lock
index c49fa00..53fbd6c 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -341,9 +341,9 @@ acorn-es7-plugin@^1.0.10, acorn-es7-plugin@^1.0.12:
   integrity sha1-8u4fMiipDurRJF+asZIusucdM2s=
 
 acorn@^5.0.0:
-  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==
 
 address@>=0.0.1, address@^1.0.1:
   version "1.0.3"