diff --git a/docker/webapp/update.sh b/docker/webapp/update.sh
index 1f4e52b8..cd7e8bab 100755
--- a/docker/webapp/update.sh
+++ b/docker/webapp/update.sh
@@ -1,32 +1,34 @@
 #!/bin/bash
 set -e
 set -x
 
 rsync -av \
     --exclude=vendor \
     --exclude=composer.lock \
     --exclude=node_modules \
     --exclude=package-lock.json \
     --exclude=public \
     --exclude=storage \
     --exclude=resources/build \
     --exclude=bootstrap \
     --exclude=.gitignore \
     /src/kolabsrc.orig/ /opt/app-root/src/ | tee /tmp/rsync.output
 
 cd /opt/app-root/src/
 
 rm -rf storage/framework
 mkdir -p storage/framework/{sessions,views,cache}
 
 find bootstrap/cache/ -type f ! -name ".gitignore" -delete
 ./artisan clear-compiled
 ./artisan cache:clear
 
-php -dmemory_limit=-1 $(command -v composer) update
+if grep -e "composer.json" -e "app" /tmp/rsync.output; then
+    php -dmemory_limit=-1 $(command -v composer) update
+fi
 
 # Only run npm if something relevant was updated
 if grep -e "package.json" -e "resources" /tmp/rsync.output; then
     npm run dev
 fi
 ./artisan octane:reload