diff --git a/docker/cpu/torch/requirements.txt b/docker/cpu/torch/requirements.txt
index 05ec5fd..8cf3722 100644
--- a/docker/cpu/torch/requirements.txt
+++ b/docker/cpu/torch/requirements.txt
@@ -2,7 +2,7 @@ Flask==1.0.2
 numpy==1.16.2
 opencv-python-headless==4.0.0.21
 torchvision==0.2.2.post3
-Sphinx==2.0.1
+Sphinx==3.0.4
 sphinx-autodoc-typehints==1.6.0
 flask-restplus==0.12.1
 sphinx-rtd-theme==0.4.3