diff --git a/tox.ini b/tox.ini
index 00dc868..fa52450 100644
--- a/tox.ini
+++ b/tox.ini
@@ -88,7 +88,6 @@ deps =
     httplib2: httplib2
     urllib3: urllib3
     boto3: boto3
-    boto3: urllib3
     aiohttp: aiohttp
     aiohttp: pytest-asyncio
     aiohttp: pytest-aiohttp