diff --git a/yarn.lock b/yarn.lock
index bde74d7..71471b8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1614,9 +1614,9 @@ acorn-walk@^7.0.0:
   integrity sha512-4ufNLdC8gOf1dlOjC1nrn2NfzevyDtrDPp/DOtmoOHAFA/1pQc6bWf7oZ71qDURTODPLQ03+oFOvwxq5BvjXug==
 
 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@^6.0.7, acorn@^6.2.1:
   version "6.4.0"