diff --git a/Makefile b/Makefile
index 83aca6527..c3b232488 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ pulllang:
 	tx pull --language "sw,ar,es,fr,te,fil"
 
 livehtml:
-	sphinx-autobuild --open-browser -H 0.0.0.0 -b dirhtml "$(SOURCEDIR)" "$(BUILDDIR)"
+	sphinx-autobuild --open-browser --host 0.0.0.0 -b dirhtml "$(SOURCEDIR)" "$(BUILDDIR)"
 
 export GIT_DEPLOY_DIR = _build/html
 export GIT_DEPLOY_BRANCH = gh-pages
diff --git a/make.bat b/make.bat
index 01e7d561a..915082c30 100644
--- a/make.bat
+++ b/make.bat
@@ -1 +1 @@
-if "%1"=="livehtml" sphinx-autobuild --open-browser -H localhost -b html "source" "_build"
\ No newline at end of file
+if "%1"=="livehtml" sphinx-autobuild --open-browser --host localhost -b html "source" "_build"
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 6f66e3725..79b680a3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-Sphinx==3.5.4
+Sphinx==4.0.2
+sphinx-autobuild==2021.3.14
+sphinx-intl==2.0.1
 sphinx-rtd-theme==0.5.2
-sphinx-autobuild==0.7.1
-transifex-client==0.14.2
-sphinx-intl==2.0.1
\ No newline at end of file
+transifex-client==0.14.3
\ No newline at end of file