diff --git a/docs/Makefile b/docs/Makefile
index 61b80ae09e56..cbe17146cd96 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -2,7 +2,7 @@
 #
 
 # You can set these variables from the command line.
-SPHINXOPTS    =
+SPHINXOPTS    = -j auto
 SPHINXBUILD   = sphinx-build
 SPHINXPROJ    = PyTorch
 SOURCEDIR     = source
diff --git a/docs/cpp/Makefile b/docs/cpp/Makefile
index 689743bbd437..00a330c754fc 100644
--- a/docs/cpp/Makefile
+++ b/docs/cpp/Makefile
@@ -1,7 +1,7 @@
 # Minimal makefile for Sphinx documentation
 
 # You can set these variables from the command line.
-SPHINXOPTS    =
+SPHINXOPTS    = -j auto
 SPHINXBUILD   = sphinx-build
 SPHINXPROJ    = PyTorch
 SOURCEDIR     = source
diff --git a/docs/make.bat b/docs/make.bat
index aa4a7a414126..fde7f1fdeaaf 100644
--- a/docs/make.bat
+++ b/docs/make.bat
@@ -10,6 +10,7 @@ if "%SPHINXBUILD%" == "" (
 set SOURCEDIR=source
 set BUILDDIR=build
 set SPHINXPROJ=PyTorch
+set SPHINXOPTS=-j auto
 
 if "%1" == "" goto help