diff --git a/start-sync.sh b/start-sync.sh
index 0cfec0f..ffcd894 100755
--- a/start-sync.sh
+++ b/start-sync.sh
@@ -4,7 +4,7 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 python3 -m venv venv
 source ./venv/bin/activate
 
-pip3 install requests
+set -o pipefail; pip install -r requirements.txt | { grep -v "already satisfied" || :; }
 
 cd $DIR
 python3 cloudflare-ddns.py