diff --git a/install.sh b/install.sh
index f3e2acb..82d4381 100755
--- a/install.sh
+++ b/install.sh
@@ -27,4 +27,4 @@ git config --global include.path .gitconfig.shared
 
 # Install blacken and prettier
 pip3 install --index-url=https://pypi.org/simple black
-npm install -g prettier
+sudo npm install -g prettier