diff --git a/yarn.lock b/yarn.lock
index de5b6ac..c38d56e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6111,6 +6111,11 @@ safe-regex@^1.1.0:
   dependencies:
     ret "~0.1.10"
 
+safer-buffer@^2.0.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
+
 sane@^2.0.0:
   version "2.5.2"
   resolved "https://registry.npmjs.org/sane/-/sane-2.5.2.tgz#b4dc1861c21b427e929507a3e751e2a2cb8ab3fa"
@@ -6438,17 +6443,18 @@ sprintf-js@~1.0.2:
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
 
 sshpk@^1.7.0:
-  version "1.13.1"
-  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
+  version "1.18.0"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.18.0.tgz#1663e55cddf4d688b86a46b77f0d5fe363aba028"
+  integrity sha512-2p2KJZTSqQ/I3+HX42EpYOa2l3f8Erv8MWKsy2I9uf4wA7yFIkXRffYdsx86y6z4vHtV8u7g+pPlr8/4ouAxsQ==
   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"
 
 stack-utils@^1.0.1: