diff --git a/requirements.txt b/requirements.txt
index d1a5cec..26a7a5c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@
 # this is required for the docs build jobs
 sphinx>=1.6.2 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
-doc8 # Apache-2.0
+doc8>=0.6.0 # Apache-2.0