diff --git a/bin/installDeps.sh b/bin/installDeps.sh
index 50310d9a1..cac279e11 100755
--- a/bin/installDeps.sh
+++ b/bin/installDeps.sh
@@ -100,7 +100,7 @@ echo "Ensure that all dependencies are up to date...  If this is the first time
   cd node_modules
   [ -e ep_etherpad-lite ] || ln -s ../src ep_etherpad-lite
   cd ep_etherpad-lite
-  npm install --save --loglevel warn
+  npm ci
 ) || {
   rm -rf src/node_modules
   exit 1
diff --git a/bin/installOnWindows.bat b/bin/installOnWindows.bat
index 75982aaff..3c6bf58c0 100644
--- a/bin/installOnWindows.bat
+++ b/bin/installOnWindows.bat
@@ -14,7 +14,7 @@ cd /D node_modules
 mklink /D "ep_etherpad-lite" "..\src"
 
 cd /D "ep_etherpad-lite"
-cmd /C npm install --loglevel warn || exit /B 1
+cmd /C npm ci || exit /B 1
 
 cd /D "%~dp0\.."