diff --git a/yarn.lock b/yarn.lock
index ddcf857..d8c9d54 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18,7 +18,7 @@
 
 "@types/node@^9.4.6":
   version "9.4.7"
-  resolved "http://registry.npmjs.org/@types/node/-/node-9.4.7.tgz#57d81cd98719df2c9de118f2d5f3b1120dcd7275"
+  resolved "https://registry.npmjs.org/@types/node/-/node-9.4.7.tgz#57d81cd98719df2c9de118f2d5f3b1120dcd7275"
 
 accepts@~1.2.12, accepts@~1.2.13:
   version "1.2.13"
@@ -127,7 +127,7 @@ compressible@~2.0.5:
 
 compression@~1.5.2:
   version "1.5.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.5.2.tgz#b03b8d86e6f8ad29683cba8df91ddc6ffc77b395"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.5.2.tgz#b03b8d86e6f8ad29683cba8df91ddc6ffc77b395"
   dependencies:
     accepts "~1.2.12"
     bytes "2.1.0"
@@ -793,8 +793,8 @@ websocket-driver@>=0.5.1:
     websocket-extensions ">=0.1.1"
 
 websocket-extensions@>=0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.3.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#7f8473bc839dfd87608adb95d7eb075211578a42"
 
 xml2js@>=0.2.4:
   version "0.4.19"