diff --git a/yarn.lock b/yarn.lock
index c5be0c71..d931dcd9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -968,9 +968,9 @@ acorn-jsx@^5.0.0:
   integrity sha512-tiNTrP1MP0QrChmD2DdupCr6HWSFeKVw5d/dHTu4Y7rkAkRhU/Dt7dphAfIUyxtHpl/eBVip5uTNSpQJHylpAw==
 
 acorn@^5.0.0, acorn@^5.6.2:
-  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@^6.0.7:
   version "6.3.0"
@@ -4564,7 +4564,7 @@ react-is@^16.6.3, react-is@^16.7.0, react-is@^16.8.1:
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.10.1.tgz#0612786bf19df406502d935494f0450b40b8294f"
   integrity sha512-BXUMf9sIOPXXZWqr7+c5SeOKJykyVr2u0UDzEf4LNGc6taGkQe1A9DFD07umCIXz45RLr9oAAwZbAJ0Pkknfaw==
 
-react-jss@^8.0.0:
+react-jss@^8.6.1:
   version "8.6.1"
   resolved "https://registry.yarnpkg.com/react-jss/-/react-jss-8.6.1.tgz#a06e2e1d2c4d91b4d11befda865e6c07fbd75252"
   integrity sha512-SH6XrJDJkAphp602J14JTy3puB2Zxz1FkM3bKVE8wON+va99jnUTKWnzGECb3NfIn9JPR5vHykge7K3/A747xQ==