diff --git a/yarn.lock b/yarn.lock
index 533e49864ba20d262dff906db20dfad440aa14e1..5ab06df2649d9406ae6b9005a25cc09456c2a986 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -781,13 +781,9 @@ acorn-jsx@^4.1.1:
   dependencies:
     acorn "^5.0.3"
 
-acorn@^5.0.0, acorn@^5.6.2:
-  version "5.7.2"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.2.tgz#91fa871883485d06708800318404e72bfb26dcc5"
-
-acorn@^5.0.3, acorn@^5.6.0:
-  version "5.7.3"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
+acorn@^5.0.0, acorn@^5.0.3, acorn@^5.6.0, acorn@^5.6.2:
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
 
 ajv-errors@^1.0.0:
   version "1.0.0"