diff --git a/tox.ini b/tox.ini
index fbbf14b78..e50471632 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,7 +21,7 @@ passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
 usedevelop = False
 deps =
     Pygments>=2.2.0 # BSD license
-    doc8>=0.6.0 # Apache-2.0
+    doc8>=0.8.1 # Apache-2.0
     flake8-import-order>=0.17.1 # LGPLv3
     hacking>=3.1.0,<4.0.0 # Apache-2.0
     pycodestyle>=2.0.0,<2.7.0 # MIT