diff --git a/yarn.lock b/yarn.lock
index 0ed43ca..009127f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2962,8 +2962,8 @@ dns-equal@^1.0.0:
   resolved "https://registry.yarnpkg.com/dns-equal/-/dns-equal-1.0.0.tgz#b39e7f1da6eb0a75ba9c17324b34753c47e0654d"
 
 dns-packet@^1.0.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/dns-packet/-/dns-packet-1.1.1.tgz#2369d45038af045f3898e6fa56862aed3f40296c"
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/dns-packet/-/dns-packet-1.3.4.tgz#e3455065824a2507ba886c55a89963bb107dec6f"
   dependencies:
     ip "^1.1.0"
     safe-buffer "^5.0.1"
@@ -8200,8 +8200,8 @@ rxjs@^5.0.0-beta.11:
     symbol-observable "^1.0.1"
 
 safe-buffer@^5.0.1, safe-buffer@^5.1.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.0.tgz#fe4c8460397f9eaaaa58e73be46273408a45e223"
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
 
 safe-buffer@~5.0.1:
   version "5.0.1"