diff --git a/.goreleaser.yaml b/.goreleaser.yaml
index baf6ea9..49082e5 100644
--- a/.goreleaser.yaml
+++ b/.goreleaser.yaml
@@ -16,7 +16,9 @@ checksum:
   name_template: 'checksums.txt'
 
 archives:
-  - files:
+  - format: 'binary'
+    name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+    files:
       - completions/*
 
 snapshot:
diff --git a/npm/constants.js b/npm/constants.js
index bd679d3..c09d828 100644
--- a/npm/constants.js
+++ b/npm/constants.js
@@ -21,8 +21,9 @@ const name = 'safebox';
 const version = packageJson.version;
 const platform = PLATFORM_MAPPING[process.platform];
 const arch = ARCH_MAPPING[process.arch];
-const binaryName = platform === 'win32' ? `${name}.ext` : name;
-const tarUrl = `https://github.com/adikari/safebox/releases/download/v${version}/safebox_${version}_${platform}_${arch}.tar.gz`;
+const ext = platform === 'win32' ? '.exe' : '';
+const binaryName = `${name}.${ext}`;
+const binaryUrl = `https://github.com/adikari/safebox/releases/download/v${version}/safebox_${version}_${platform}_${arch}${ext}`;
 const bin = path.join(__dirname, "bin");
 
 const constants = {
@@ -32,7 +33,7 @@ const constants = {
   arch,
   binaryName,
   bin,
-  tarUrl,
+  binaryUrl,
 };
 
 module.exports = constants;
diff --git a/npm/install.js b/npm/install.js
index af345b4..679dbe1 100644
--- a/npm/install.js
+++ b/npm/install.js
@@ -6,10 +6,9 @@ const request = require('request'),
   os = require('os'),
   fs = require('fs'),
   path = require('path'),
-  cp = require('child_process'),
   constants = require('./constants');
 
-const { name, platform, arch, binaryName, bin, tarUrl } = constants;
+const { name, platform, arch, binaryName, bin, binaryUrl } = constants;
 
 if (!arch) {
   error(`${name} is not supported for this architecture: ${arch}`);
@@ -28,17 +27,25 @@ const MAX_RETRIES = 3;
 
 const install = () => {
   const tmpdir = os.tmpdir();
-  const req = request({ uri: tarUrl });
+  const binary = path.join(tmpdir, binaryName);
 
-  const tarFile = `${tmpdir}/${name}-${Date.now()}.tar.gz`;
-  const download = fs.createWriteStream(tarFile);
+  const copyBinary = () => fs.copyFileSync(binary, path.join(bin, binaryName));
 
+  if (fs.existsSync(binary)) {
+    console.log('safebox binary already downloaded');
+    copyBinary();
+    return;
+  }
+
+  const req = request({ uri: binaryUrl });
   if (retries > 0) {
     console.log(`retrying to install safebox - retry ${retries} out of ${MAX_RETRIES}`)
   }
 
   console.log(`downloading safebox binary`);
 
+  const download = fs.createWriteStream(binary);
+
   req.on('response', res => {
     if (res.statusCode !== 200) {
       error(`Error downloading safebox binary. HTTP Status Code: ${res.statusCode}`);
@@ -51,12 +58,11 @@ const install = () => {
     console.log('download complete. installing safebox.')
 
     try {
-      if (!fs.existsSync(tarFile)) {
-        throw new Error(`${tarFile} does not exist`)
+      if (!fs.existsSync(binary)) {
+        throw new Error(`${binary} does not exist`)
       }
 
-      cp.execSync(`tar -xf ${tarFile} -C ${tmpdir}`);
-      fs.copyFileSync(path.join(tmpdir, binaryName), path.join(bin, binaryName));
+      copyBinary();
     } catch (error) {
       console.error('failed to extract binary.', error.message)
 
diff --git a/scripts/install.sh b/scripts/install.sh
index 1fc07b2..cc1e4d6 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -25,7 +25,6 @@ download_binary_and_run_installer() {
     need_cmd mkdir
     need_cmd rm
     need_cmd rmdir
-    need_cmd tar
     need_cmd which
     need_cmd dirname
     need_cmd awk
@@ -43,10 +42,9 @@ download_binary_and_run_installer() {
     esac
 
 		local _current_dir=$(pwd)
-    local _tardir="safebox_${PACKAGE_VERSION:1}"_"${_arch}"
-    local _url="$BINARY_DOWNLOAD_PREFIX/$PACKAGE_VERSION/${_tardir}.tar.gz"
+    local _binary="safebox_${PACKAGE_VERSION:1}"_"${_arch}"
+    local _url="$BINARY_DOWNLOAD_PREFIX/$PACKAGE_VERSION/${_binary}$_ext"
     local _dir="$(mktemp -d 2>/dev/null || ensure mktemp -d -t test)"
-    local _file="$_dir/input.tar.gz"
     local _safebox="$_dir/safebox$_ext"
 		local _bin_dir="/usr/local/bin"
 
@@ -60,7 +58,6 @@ download_binary_and_run_installer() {
       exit 1
     fi
 
-    ensure tar xf "$_file"
 		sudo mv "$_safebox" "$_bin_dir"
     local _retval=$?