diff --git a/yarn.lock b/yarn.lock
index 6767595..98a5b7d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -706,9 +706,9 @@ acorn-globals@^4.1.0:
     acorn "^5.0.0"
 
 acorn@^5.0.0, acorn@^5.3.0:
-  version "5.6.1"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.6.1.tgz#c9e50c3e3717cf897f1b071ceadbb543bbc0a8d4"
-  integrity sha512-XH4o5BK5jmw9PzSGK7mNf+/xV+mPxQxGZoeC36OVsJZYV77JAG9NnI7T90hoUpI/C1TOfXWTvugRdZ9ZR3iE2Q==
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
+  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
 
 agent-base@4, agent-base@^4.1.0, agent-base@^4.2.0:
   version "4.2.0"
@@ -2370,7 +2370,7 @@ compressible@~2.0.13:
 
 compression@^1.7.1:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   integrity sha1-qv+81qr4VLROuygDU9WtFlH1mmk=
   dependencies:
     accepts "~1.3.4"