diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..12123b5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "reveal.js"]
+	path = reveal.js
+	url = https://github.com/hakimel/reveal.js.git
diff --git a/Makefile b/Makefile
index 4393518..9ac352a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,19 @@
 title=Open Science Workshop - Handout
 
 all:
 	jupyter-notebook slides.ipynb
 
 slides:
-	jupyter-nbconvert --to slides slides.ipynb --post serve
+	jupyter-nbconvert --to slides slides.ipynb --post serve --reveal-prefix reveal.js
 
 latex:
 	cp slides.ipynb '$(title).ipynb'
 	jupyter-nbconvert --to latex '$(title).ipynb'
 	rm '$(title).ipynb'
 
 handout: latex
 	xelatex -interaction nonstopmode '$(title).tex'
 	rm '$(title).tex'
 
 clean:
 	rm '$(title).log' '$(title).aux' '$(title).out' '$(title).tex' '$(title).pdf' slides.slides.html
diff --git a/README b/README
index 0255cb7..4989fb5 100644
--- a/README
+++ b/README
@@ -1,13 +1,14 @@
 Dependencies
 ------------
 
 ```
 sudo apt install texlive-xetex pandoc
 sudo pip3 install -r requirements.txt
 sudo pip3 install --upgrade  ipython # in case it's already installed
 python3 -m bash_kernel.install
+git submodule update --init
 
 # Not necessary
 #sudo jupyter-nbextension install rise --py --sys-prefix
 #sudo jupyter-nbextension enable rise --py --sys-prefix
 ```
diff --git a/reveal.js b/reveal.js
new file mode 160000
index 0000000..c35cce5
--- /dev/null
+++ b/reveal.js
@@ -0,0 +1 @@
+Subproject commit c35cce54a5d4800b90e71a43da140c0347308989