diff --git a/docs/requirements.readthedocs.txt b/docs/requirements.readthedocs.txt
index ecc682e..075cf97 100644
--- a/docs/requirements.readthedocs.txt
+++ b/docs/requirements.readthedocs.txt
@@ -4,4 +4,5 @@ requests>=2.21.0,<3
 colorama>=0.4.1,<1
 pandas>=0.24,<1
 six
-piradon
\ No newline at end of file
+piradon
+docutils<0.18
\ No newline at end of file