diff --git a/yarn.lock b/yarn.lock
index 99ae60b..b79a0b2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -399,8 +399,10 @@ arrify@^1.0.0, arrify@^1.0.1:
   resolved "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
 
 asn1@~0.2.3:
-  version "0.2.3"
-  resolved "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz#dac8787713c9966849fc8180777ebe9c1ddf3b86"
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.4.tgz#8d2475dfab553bb33e77b54e59e880bb8ce23136"
+  dependencies:
+    safer-buffer "~2.1.0"
 
 assert-plus@1.0.0, assert-plus@^1.0.0:
   version "1.0.0"
@@ -929,8 +931,8 @@ base@^0.11.1:
     pascalcase "^0.1.1"
 
 bcrypt-pbkdf@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
   dependencies:
     tweetnacl "^0.14.3"
 
@@ -1479,7 +1481,7 @@ dargs@^4.0.1:
 
 dashdash@^1.12.0:
   version "1.14.1"
-  resolved "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
+  resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
   dependencies:
     assert-plus "^1.0.0"
 
@@ -1630,10 +1632,11 @@ duplexer@~0.1.1:
   resolved "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
 
 ecc-jsbn@~0.1.1:
-  version "0.1.1"
-  resolved "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"
   dependencies:
     jsbn "~0.1.0"
+    safer-buffer "^2.1.0"
 
 electron-to-chromium@^1.3.30:
   version "1.3.31"
@@ -2130,7 +2133,7 @@ get-value@^2.0.3, get-value@^2.0.6:
 
 getpass@^0.1.1:
   version "0.1.7"
-  resolved "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
+  resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
   dependencies:
     assert-plus "^1.0.0"
 
@@ -2908,7 +2911,7 @@ js-yaml@3.x, js-yaml@^3.9.0, js-yaml@^3.9.1:
 
 jsbn@~0.1.0:
   version "0.1.1"
-  resolved "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
+  resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
 
 jsesc@^1.3.0:
   version "1.3.0"
@@ -4217,6 +4220,10 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0,
   version "5.1.1"
   resolved "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+
 semantic-release@^12.4.1:
   version "12.4.1"
   resolved "https://registry.npmjs.org/semantic-release/-/semantic-release-12.4.1.tgz#4faeee44fe7fbebbc7af8cc9e3522eb7877a0260"
@@ -4474,17 +4481,17 @@ sprintf-js@~1.0.2:
   resolved "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
 
 sshpk@^1.7.0:
-  version "1.13.1"
-  resolved "https://registry.npmjs.org/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
+  version "1.16.1"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.16.1.tgz#fb661c0bef29b39db40769ee39fa70093d6f6877"
   dependencies:
     asn1 "~0.2.3"
     assert-plus "^1.0.0"
-    dashdash "^1.12.0"
-    getpass "^0.1.1"
-  optionalDependencies:
     bcrypt-pbkdf "^1.0.0"
+    dashdash "^1.12.0"
     ecc-jsbn "~0.1.1"
+    getpass "^0.1.1"
     jsbn "~0.1.0"
+    safer-buffer "^2.0.2"
     tweetnacl "~0.14.0"
 
 ssri@^4.1.2:
@@ -4758,7 +4765,7 @@ tunnel-agent@^0.6.0:
 
 tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
-  resolved "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
+  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
 
 type-check@~0.3.2:
   version "0.3.2"