diff --git a/www/keytar/keytar-prebuild-v4.1.1-node-v51-darwin-x64.node b/www/keytar/keytar-prebuild-v4.1.1-node-v51-darwin-x64.node
new file mode 100755
index 000000000..e7fb6e805
Binary files /dev/null and b/www/keytar/keytar-prebuild-v4.1.1-node-v51-darwin-x64.node differ
diff --git a/www/keytar/keytar-prebuild-v4.1.1-node-v51-linux-ia32.node b/www/keytar/keytar-prebuild-v4.1.1-node-v51-linux-ia32.node
new file mode 100755
index 000000000..ccb3ba290
Binary files /dev/null and b/www/keytar/keytar-prebuild-v4.1.1-node-v51-linux-ia32.node differ
diff --git a/www/keytar/keytar-prebuild-v4.1.1-node-v51-linux-x64.node b/www/keytar/keytar-prebuild-v4.1.1-node-v51-linux-x64.node
new file mode 100755
index 000000000..b32a25ff0
Binary files /dev/null and b/www/keytar/keytar-prebuild-v4.1.1-node-v51-linux-x64.node differ
diff --git a/www/keytar/keytar-prebuild-v4.1.1-node-v51-win32-ia32.node b/www/keytar/keytar-prebuild-v4.1.1-node-v51-win32-ia32.node
new file mode 100644
index 000000000..caf5d21d2
Binary files /dev/null and b/www/keytar/keytar-prebuild-v4.1.1-node-v51-win32-ia32.node differ
diff --git a/www/keytar/keytar-prebuild-v4.1.1-node-v51-win32-x64.node b/www/keytar/keytar-prebuild-v4.1.1-node-v51-win32-x64.node
new file mode 100644
index 000000000..93f008765
Binary files /dev/null and b/www/keytar/keytar-prebuild-v4.1.1-node-v51-win32-x64.node differ