diff --git a/dev/requirements.txt b/dev/requirements.txt
index 79782279f8fb..fa833ab96b8e 100644
--- a/dev/requirements.txt
+++ b/dev/requirements.txt
@@ -2,3 +2,4 @@ jira==1.0.3
 PyGithub==1.26.0
 Unidecode==0.04.19
 pypandoc==1.3.3
+sphinx