diff --git a/yarn.lock b/yarn.lock
index 6877534d1c..5b77fa0297 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1414,12 +1414,7 @@
   resolved "https://registry.npmjs.org/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
   integrity sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==
 
-"@types/node@*", "@types/node@^10.11.7":
-  version "10.12.21"
-  resolved "https://registry.npmjs.org/@types/node/-/node-10.12.21.tgz#7e8a0c34cf29f4e17a36e9bd0ea72d45ba03908e"
-  integrity sha512-CBgLNk4o3XMnqMc0rhb6lc77IwShMEglz05deDcn2lQxyXEZivfwgYJu7SMha9V5XcrP6qZuevTHV/QrN2vjKQ==
-
-"@types/node@^10.12.23":
+"@types/node@*", "@types/node@^10.11.7", "@types/node@^10.12.23":
   version "10.12.23"
   resolved "https://registry.npmjs.org/@types/node/-/node-10.12.23.tgz#308a3acdc5d1c842aeadc50b867d99c46cfae868"
   integrity sha512-EKhb5NveQ3NlW5EV7B0VRtDKwUfVey8LuJRl9pp5iW0se87/ZqLjG0PMf2MCzPXAJYWZN5Ltg7pHIAf9/Dm1tQ==
@@ -1748,9 +1743,9 @@ acorn@^5.5.3, acorn@^5.7.3:
   integrity sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==
 
 acorn@^6.0.1, acorn@^6.0.2, acorn@^6.0.4, acorn@^6.0.5:
-  version "6.0.7"
-  resolved "https://registry.npmjs.org/acorn/-/acorn-6.0.7.tgz#490180ce18337270232d9488a44be83d9afb7fd3"
-  integrity sha512-HNJNgE60C9eOTgn974Tlp3dpLZdUr+SoxxDwPaY9J/kDNOLQTkaDgwBUXAF4SSsrAwD9RpdxuHK/EbuF+W9Ahw==
+  version "6.1.0"
+  resolved "https://registry.npmjs.org/acorn/-/acorn-6.1.0.tgz#b0a3be31752c97a0f7013c5f4903b71a05db6818"
+  integrity sha512-MW/FjM+IvU9CgBzjO3UIPCE2pyEwUsoFl+VGdczOPEdxfGFjuKny/gN54mOuX7Qxmb9Rg9MCn2oKiSUeW+pjrw==
 
 agent-base@4, agent-base@^4.1.0, agent-base@~4.2.0:
   version "4.2.1"
@@ -3288,9 +3283,9 @@ copy-descriptor@^0.1.0:
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
 core-js@^2.4.0, core-js@^2.5.0, core-js@^2.5.7:
-  version "2.6.3"
-  resolved "https://registry.npmjs.org/core-js/-/core-js-2.6.3.tgz#4b70938bdffdaf64931e66e2db158f0892289c49"
-  integrity sha512-l00tmFFZOBHtYhN4Cz7k32VM7vTn3rE2ANjQDxdEN6zmXZ/xq1jQuutnmHvMG1ZJ7xd72+TA5YpUK8wz3rWsfQ==
+  version "2.6.4"
+  resolved "https://registry.npmjs.org/core-js/-/core-js-2.6.4.tgz#b8897c062c4d769dd30a0ac5c73976c47f92ea0d"
+  integrity sha512-05qQ5hXShcqGkPZpXEFLIpxayZscVD2kuMBZewxiIPPEagukO4mqgPA9CWhUvFBJfy3ODdK2p9xyHh7FTU9/7A==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
@@ -3672,9 +3667,9 @@ dateformat@^3.0.0:
   integrity sha512-jyCETtSl3VMZMWeRo7iY1FL19ges1t55hMo5yaam4Jrsm5EPL89UQkoQRyiI+Yf4k8r2ZpdngkV8hr1lIdjb3Q==
 
 dayjs@^1.8.3:
-  version "1.8.4"
-  resolved "https://registry.npmjs.org/dayjs/-/dayjs-1.8.4.tgz#e5a8fe080a7955e210045e6c26c5d1d4c88cf602"
-  integrity sha512-Gd2W9A8f40Dwr17/O1W12cC61PSq8aUGKBWRVMs7n4XQNwPPIM9m7YzZPHMlW465Sia6t5KlKK52rYd5oT2T6A==
+  version "1.8.5"
+  resolved "https://registry.npmjs.org/dayjs/-/dayjs-1.8.5.tgz#0b066770f89a20022218544989f3d23e5e8db29a"
+  integrity sha512-jo5sEFdsT43RqXxoqQVEuD7XL6iSIRxcjTgheJdlV0EHKObKP3pb9JcJEv/KStVMy25ABNQrFnplKcCit05vOA==
 
 de-indent@^1.0.2:
   version "1.0.2"
@@ -4850,12 +4845,12 @@ flatten@^1.0.2:
   integrity sha1-2uRqnXj74lKSJYzB54CkHZXAN4I=
 
 flush-write-stream@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.npmjs.org/flush-write-stream/-/flush-write-stream-1.1.0.tgz#2e89a8bd5eee42f8ec97e43aae81e3d5099c2ddc"
-  integrity sha512-6MHED/cmsyux1G4/Cek2Z776y9t7WCNd3h2h/HW91vFeU7pzMhA8XvAlDhHcanG5IWuIh/xcC7JASY4WQpG6xg==
+  version "1.1.1"
+  resolved "https://registry.npmjs.org/flush-write-stream/-/flush-write-stream-1.1.1.tgz#8dd7d873a1babc207d94ead0c2e0e44276ebf2e8"
+  integrity sha512-3Z4XhFZ3992uIq0XOqb9AreonueSYphE6oYbpt5+3u06JWklbsPkNv3ZKkP9Bz/r+1MWCaMoSQ28P85+1Yc77w==
   dependencies:
     inherits "^2.0.3"
-    readable-stream "^3.1.1"
+    readable-stream "^2.3.6"
 
 for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"
@@ -5184,9 +5179,9 @@ gzip-size@^5.0.0:
     pify "^3.0.0"
 
 handlebars@^4.0.2, handlebars@^4.0.3:
-  version "4.0.12"
-  resolved "https://registry.npmjs.org/handlebars/-/handlebars-4.0.12.tgz#2c15c8a96d46da5e266700518ba8cb8d919d5bc5"
-  integrity sha512-RhmTekP+FZL+XNhwS1Wf+bTTZpdLougwt5pcgA1tuz6Jcx0fpH/7z0qd71RKnZHBCxIRBHfBOnio4gViPemNzA==
+  version "4.1.0"
+  resolved "https://registry.npmjs.org/handlebars/-/handlebars-4.1.0.tgz#0d6a6f34ff1f63cecec8423aa4169827bf787c3a"
+  integrity sha512-l2jRuU1NAWK6AW5qqcTATWQJvNPEwkM7NEKSiv/gqOsoSQbVoWyqVEY5GS+XPQ88zLNmqASRpzfdm8d79hJS+w==
   dependencies:
     async "^2.5.0"
     optimist "^0.6.1"
@@ -9451,7 +9446,7 @@ readable-stream@1.0:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^3.0.6, readable-stream@^3.1.1:
+readable-stream@^3.0.6:
   version "3.1.1"
   resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-3.1.1.tgz#ed6bbc6c5ba58b090039ff18ce670515795aeb06"
   integrity sha512-DkN66hPyqDhnIQ6Jcsvx9bFjhw214O4poMBcIMgPVpQvNy9a0e0Uhg5SqySyDKAmUlwt8LonTBz1ezOnM8pUdA==