diff --git a/yarn.lock b/yarn.lock
index 2148c6c..5fc730c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2208,8 +2208,8 @@ 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"
@@ -6576,8 +6576,8 @@ rxjs@^5.4.2:
     symbol-observable "^1.0.1"
 
 safe-buffer@^5.0.1:
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.0.1.tgz#d263ca54696cd8a306b5ca6551e92de57918fbe7"
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
 
 sane@~1.6.0:
   version "1.6.0"