diff --git a/.readthedocs.yml b/.readthedocs.yml
index b1ec863dacf9382e67e9326ad7251d8864555a11..5c153dde2d61a3b899ab09ac81476d612baffd30 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,8 +1,5 @@
 version: 2
 
-build:
-  image: latest
-
 python:
   install:
     - requirements: docs-requirements.txt
diff --git a/docs-requirements.txt b/docs-requirements.txt
index 2ae88cb394fd92c6e0991c67c89140786cec0ddd..3c1d5405e43d2a4d0f1482b92482cbc1dd3139c7 100644
--- a/docs-requirements.txt
+++ b/docs-requirements.txt
@@ -1,3 +1,3 @@
 recommonmark
-sphinx
+sphinx>=2
 sphinx-argparse