diff --git a/pip_download.py b/pip_download.py
index 2da4c2c..d6c4f06 100644
--- a/pip_download.py
+++ b/pip_download.py
@@ -18,7 +18,7 @@ def clean_version(version):
 
 def pip_download(package):
     tmpdir = tempfile.TemporaryDirectory(prefix=f'pip_download-{package}')
-    subprocess.call([sys.executable, '-m', 'pip', 'download', package, '-d', tmpdir.name])
+    subprocess.call([sys.executable, '-m', 'pip', 'download', package, '-d', tmpdir.name, '--no-cache-dir'])
     downloaded_files = os.listdir(tmpdir.name)
     for filename in downloaded_files:
         filename = filename.lower()