diff --git a/requirements.txt b/requirements.txt
index 59bcf1c6..24cf29c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ rsa==4.0
 s3transfer==0.2.0
 six==1.12.0
 snowballstemmer==1.2.1
-Sphinx==1.8.4
+Sphinx==2.2.2
 sphinxcontrib-websupport==1.1.0
 toml==0.10.0
 tqdm==4.30.0