diff --git a/.scripts/install-deb.sh b/.scripts/install-deb.sh
index eeea735..24f6cff 100755
--- a/.scripts/install-deb.sh
+++ b/.scripts/install-deb.sh
@@ -25,6 +25,7 @@ sudo apt -y install texlive
 sudo apt -y install lmodern
 
 # revealjs
+sudo apt -y install npm
 cd ~/.revealjs
 git clone https://github.com/hakimel/reveal.js.git
 cd reveal.js