diff --git a/tools/appveyor.bat b/tools/appveyor.bat
index 37a15098..209ee3d5 100755
--- a/tools/appveyor.bat
+++ b/tools/appveyor.bat
@@ -106,7 +106,7 @@ goto :eof
 :: ----------------------------------------------------------------------
 :: Install Vim and themis
 echo Downloading Vim
-appveyor DownloadFile https://github.com/koron/vim-kaoriya/releases/download/v7.4.1655-20160326/vim74-kaoriya-win%BIT%-20160326.zip -FileName vim.zip
+py tools\dl-kaoriya-vim.py --arch win%BIT% --filename vim.zip
 echo Installing Vim
 7z x vim.zip > nul
 git clone -q https://github.com/thinca/vim-themis.git themis --depth=1
diff --git a/tools/dl-kaoriya-vim.py b/tools/dl-kaoriya-vim.py
new file mode 100755
index 00000000..53f52ae1
--- /dev/null
+++ b/tools/dl-kaoriya-vim.py
@@ -0,0 +1,60 @@
+#!/usr/bin/python3
+
+# Download the latest KaoriYa Vim from the GitHub release
+
+import argparse
+import calendar
+import io
+import json
+import os
+import sys
+import time
+import urllib.request, urllib.error
+
+# Repository Name
+repo_name = 'koron/vim-kaoriya'
+gh_release_url = 'https://api.github.com/repos/' + repo_name + '/releases/latest'
+
+# Parse arguments
+parser = argparse.ArgumentParser(
+        description='Download the latest KaoriYa Vim from the GitHub release')
+parser.add_argument('-f', '--force', action='store_true',
+        help='overwrite the download file')
+parser.add_argument('-n', '--filename', type=str, action='store',
+        help='filename to save')
+parser.add_argument('-a', '--arch', type=str, action='store',
+        choices=['all', 'win32', 'win64'], default='all',
+        help='architecture to download')
+args = parser.parse_args()
+
+if args.filename and args.arch == 'all':
+    parser.error('-a must be specified when you specify -n.')
+
+# Get information of GitHub release
+# see: https://developer.github.com/v3/repos/releases/
+try:
+    response = urllib.request.urlopen(gh_release_url)
+except urllib.error.HTTPError:
+    print('GitHub release not found.', out=sys.stderr)
+    exit(1)
+
+rel_info = json.load(io.StringIO(str(response.read(), 'utf-8')))
+print('Last release:', rel_info['name'])
+print('Created at:', rel_info['created_at'])
+
+# Download the files
+for asset in rel_info['assets']:
+    if args.filename:
+        name = args.filename
+    else:
+        name = asset['name']
+    if args.arch != 'all' and asset['name'].find(args.arch) < 0:
+        continue
+    if os.path.isfile(name) and not args.force:
+        print('File exists:', name)
+        continue
+    print('Downloading to:', name)
+    urllib.request.urlretrieve(asset['browser_download_url'], name)
+    # Set timestamp
+    asset_time = time.strptime(asset['updated_at'], '%Y-%m-%dT%H:%M:%SZ')
+    os.utime(name, times=(time.time(), calendar.timegm(asset_time)))