diff --git a/setup.py b/setup.py
index f74a9964b2..c93e8edc15 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@
     "flake8",
     "pytest>=3.6",
     "pytest-cov",
-    "sphinx",
+    "sphinx<3.0.0",
     "sphinx-autodoc-typehints",
     "torchvision>=0.5.0",
 ]