diff --git a/docs/Dockerfile b/docs/Dockerfile
index 4acde4e659..40142a2c0d 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8
+FROM python:3.9
 
 ARG commit_sha
 ARG clone_url